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Completely Arbortrary cover art

All Episodes

Completely Arbortrary — 292 episodes

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Title
1

Sakura, Hanami, Shinto, Kami (Japanese Cherry)

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2

Chock-Full of Deadly Poison (Sea-Mango)

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3

Fruit That Serves Itself (Passionfruit)

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4

Night Vision (Honey Locust)

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5

Situationship (Trumpet Tree)

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6

That's the Game of the Name (Nootka Cypress)

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7

Pirate's Booty (Coco-de-Mer)

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8

Silk Road Kill (White Mulberry)

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9

Das Root (Sassafras)

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10

Boioioioing (Rubber)

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11

Death Row Chocolate Milk (Cacao)

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12

Positively Petrified (Rainbow Wood)

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13

Shinto My God! (Sakaki)

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14

Hades! Hades! Hades! (English Yew)

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15

Episode III: Revenge of the Pith (Douglas-fir 3)

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16

Wood Vibrations (Wild Whiskey Cherry)

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17

BONUS EPISODE: Trees of the Deserts

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18

Anastasianism (Siberian Stone Pine)

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19

How Casey Learned to Stop Worrying and Love the Apple (Apple 3)

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20

Are You There, Fog? (Coast Redwood 2)

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21

Reinventing the (Wheel Tree)

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22

Even Older Growth (Western Juniper 2)

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23

Renaissance Tree (Superb Schima)

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24

Cones on the Spectrum (Celerytop-Pine)

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25

Evolutionary Naïveté (Blue Ash)

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26

Bird Influence (Limber Pine)

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27

Burning Hot Fresh Root News (Scots Pine)

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28

It's The End of Completely Arbortrary (As We Know It)

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29

How Water Moves Through Trees (Oyster Bay-Pine)

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30

Underplanted, Underrated, Underappreciated (Japanese Pagodatree)

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31

Ivory & (Ebony)

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32

The Odysseed (Lotus Tree)

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33

Holiday Merch Sale + Urban Trees and Racism

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34

BONUS EPISODE: Fungus in the Fall

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35

Splitting Facts (Weeping Juniper)

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36

Goin' Thig Mode (Fraser Fir)

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37

Deal with the Devil (Bigleaf Magnolia)

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38

Lil' Apple Make This Horse Go Crazy (Manzanilla de la Muerte)

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39

Mummy and Me (Coffintree)

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40

Creature from the Black Tea Lagoon (Swamp Tupelo)

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41

Sectored Architecture (Rocky Mountain Bristlecone Pine)

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42

Pavlova (The Fruit That Serves Itself)

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43

Zwetschgenkuchen (European Plum)

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44

Baesuk (Asian Pear)

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45

Baklava (Pistachio)

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46

Buzz Pollination (Bigberry Manzanita)

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47

BONUS EPISODE: What is Bark? + Alex's Hawaiian Adventure

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48

BONUS EPISODE: What is Soil? + Casey's Throat Catastrophe

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49

All Trees Go To Heaven (American Beech)

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50

Keyaki (Japanese Zelkova)

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51

Insultivar (Chokecherry)

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52

Dial M for (Maxipiñon)

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53

Zombie Survivors (Vietnam Cypress)

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54

There's Always Money in the (Banana Tree)

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55

The Lean (Cook Island Pine)

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56

The New Mahogany (Ipê)

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57

BONUS EPISODE: Treeasy Listening #1

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58

Parthenocarpy (Paperbark Maple)

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59

Trunk Drawer (Governor's Plum)

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60

Bean Leaves in Bondage (Silk Tree)

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61

Reversion Therapy (White Spruce)

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62

Fight Shrub (Butternut)

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63

What a (Knobcone Pine)!

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64

Anomalous Secondary Growth (Ombú)

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65

Golden Cone Ratio (Austrian Black Pine)

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66

BONUS: Lord of the Tree Rings Marathon

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67

Inside Sprout: Joy (Money Tree)

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68

Inside Sprout: Sadness (Weeping Cherry)

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69

Inside Sprout: Anger (Jeffrey Pine)

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70

Inside Sprout: Fear (Silver Maple)

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71

Inside Sprout: Disgust (Black Locust)

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72

Ball is Life (Rubber)

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73

Little Kid (Balsa)

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74

The Chipko Movement (Banj Oak)

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75

Parent Earth (Sitka Spruce)

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76

Low-Hanging Fruit (Jaboticaba)

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77

Clickbait Tree (Walking Palm)

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78

Ironheart (ʻŌhiʻa Lehua)

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79

Artificial Instemination (Florida Torreya)

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80

SEEDPOD: Whittlin' with Justin Davies

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81

Christmas in Australia (Moodjar)

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82

Myrrh & (Frankincense)

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83

That Hummock Life (Gumbo-Limbo)

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84

Worm! Worm! Worm! (Yellow Birch)

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85

Yerba-maté (Gourd Herb)

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86

Life Goes On (Curlleaf Mountain-Mahogany)

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87

A Place for Everything (Keteleeria)

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88

Larchy Bark and the Trunky Bunch (Golden-Larch)

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89

NOT A MANGO, DO NOT EAT (Sea-Mango)

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90

Stung By Thirty Wasps (Giant Stinging Tree)

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91

Parenchyma Schmarenchyma (Boojum Tree)

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92

The 𝘹 Files (Munz Oak)

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93

Sitting Under a (Western Sycamore)

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94

Dam! (China-Fir)

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95

SEEDPOD: Alie Ward from OLOGIES

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96

Yellow Die (American Smoketree)

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97

Weirder Sex (Striped Maple)

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98

A Tale of Two Houses (English Holly)

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99

Let Your Neighbors See You Naked! (Leyland Cypress)

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100

Smokey Bad (Western White Pine)

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101

Xiāngfěi (Chinese-Nutmeg)

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102

Sweet Pea (Tamarind)

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103

Banana Sundae (Ice-Cream Bean)

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104

Chewing Gum (Sapodilla)

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105

Ants and Fungiculture (Almécega)

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106

What is Photosynthesis?

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107

Weird Sex (Black Tree Fern)

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108

The City That Trees Built (European Alder)

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109

The Book of Casey

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110

Superiority Complex (White Fir)

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111

Age of Deceit (Alerce)

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112

When Good Trees Go Bad (Laurel Oak)

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113

BONUS EPISODE: What is a Leaf?

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114

7 Deadly Stems: ENVY (Giant Bamboo)

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115

7 Deadly Stems: PRIDE (Ohio Buckeye)

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116

7 Deadly Stems: GREED (Russian-Olive)

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117

7 Deadly Stems: WRATH (Bullhorn Acacia)

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118

7 Deadly Stems: GLUTTONY (Common Fig)

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119

7 Deadly Stems: SLOTH (Weeping Willow)

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120

SEEDPOD with David Allen Sibley
121

7 Deadly Stems: LUST (Coco-de-Mer)

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122

There's No Gum Like (Snow Gum)

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123

Feeling Rusty (Western Serviceberry)

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124

Kissing Cousins (Rocky Mountain Pine)

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125

TREEMIUM EPISODE: Renaming Nature

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126

S.A.D. (Witch-Hazel)

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127

Welcome to the Jungle (Brazil Nut)

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128

Native-Invasive (Western Juniper)

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129

SEEDPOD: Phyllis Reynolds, Portland Tree Legend
130

What is Arboriculture? (European Horsechestnut)

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131

Parasite (This Week's Tree)

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132

The Birds & The Trees (Rimu)

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133

Podocarps (Totara)

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134

Butterfly Talk! (Oyamel)

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135

Princess Mononoke (Hinoki)

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136

Nausicaä of the Valley of the Wind (Japanese Fir)

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137

My Neighbor Totoro (Camphor)

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138

Spirited Away (Sakaki)

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139

The Future of Completely Arbortrary

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140

BONUS EPISODE - Treeyazaki Trailer, Big Announcement, & Appendices

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141

Preservation (Incense-Cedar)

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142

Conservation (Oregon Myrtle)

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143

Invasion of the Gaudy Statures (Norway Maple)

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144

Poppin' Bottles (Cork Oak)

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145

Fun Facts (Ghost Pine)

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146

The Stick Sense (Honey Locust)

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147

Laurisilva (Canary Island Laurel)

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148

BONUS EPISODE - Anthropomorphism
149

Disney & Land (Canary Island Date Palm)

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150

SWEET NEEM! (Curry Leaf Tree)

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151

Call Me By Your Neem (Margosa)

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152

Extinct in the Wild (Franklinia)

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153

Michael Rizo (Sourwood)

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154

Ms. Bee Haven (Silver Linden)

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155

The Loneliest Tree (Sahara Cypress)

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156

Cool Dudes, Hot Chicks (Beach Sheoak)

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157

BONUS EPISODE - Anthropomorphism

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158

Jaya Sri Maha Bodhi (Sacred Fig)

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159

Avenue of the Baobabs (Baobab)

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160

Cotton Tree of Freetown (Kapok)

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161

Árbol Del Tule (Montezuma Cypress)

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162

Perpetual Popularity (Colorado Blue Spruce)

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163

Desert Darling (Blue Palo Verde)

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164

The Other Wood Talk (Alaska Yellow-Cedar)

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165

If You Like Paniculatas (Golden Raintree)

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166

Wood Talk (Northern Red Oak)

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167

Great Malus (Apple 2)

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168

Northern White-Cedar (Arborvitae 2)

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169

水杉 (Dawn Redwood 2)

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170

Episode II: Attack of the Cones (Douglas-fir 2)

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171

BONUS EPISODE - How Do Trees Die?

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172

Botreemian Sapsody (Kentucky Coffeetree)

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173

Burnt Wood Plank (Sugi)

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174

Arboreal Corn (Monterey Pine)

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175

Under The Tree (Jarrah)

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176

Wet Hot American Lumber (Eastern White Pine)

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177

Queen of the Canoe Crops (Noni)

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178

The Tree's Knees (Bald Cypress)

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179

BONUS EPISODE - Non-Tree Food-Tree Food

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180

Late SUCCESSION (Yellow Carabeen)

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181

Mid SUCCESSION (Red Alder)

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182

Early SUCCESSION (Staghorn Sumac)

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183

Never Tell Me The Odds (Koa)

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184

Two Fir One (Subalpine Fir & Noble Fir)

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185

Sir Joseph Banks (Bull Banksia)

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186

Conifer Wonderland (Brewer Spruce)

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187

Everytree Everywhere All At Once (Red Maple)

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188

Once And Future Quing (Quince)

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189

Triangle of Citrus (Mandarin Orange)

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190

Big Nuts (Pecan)

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191

Monopoly: Portuguese Edition (Cinnamon)

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192

BONUS EPISODE - Fungal Associated Press: Tree Truths & A Lie

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193

Acorn-Eaters (White Oak)

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194

Green Pegs And CAM (Saguaro Cactus)

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195

The Tree Before Time 2 (Wollemi Pine)

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196

Rock Me, Mama (Longleaf Pine)

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197

Trunkenstein's Monster (Rainbow Wood)

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198

Shrikopath (Thorn Mimosa)

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199

Birdcatcher (Pisonia)

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200

Liquid Amber Flows From It (Sweetgum)

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201

BONUS EPISODE - Patreon Revamp & What is Phenology?

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202

The BLM (Bigleaf Maple)

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203

AKA (Serviceberry)

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204

BONUS EPISODE - Tree Trek: Spring Day

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205

Big Time Aroma (Indian Sandalwood)

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206

Keystone Species (Whitebark Pine)

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207

Ant Talk (Trumpet Tree)

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208

Koyamaki (Japanese Umbrella-Pine)

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209

Archaeondronology (Andean Alder)

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210

The Suburbs (Purple Leaf Plum)

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211

Queuña (Andean Paper Tree)

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212

The Cult of St. Francis (Judas Tree)

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213

Why-Would-You-Live-There-ness (Madrone)

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214

Heavy Heaven & The Infamous Air (London Planetree)

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215

Wrongfully Scorned, Rightfully Wronged (Black Cottonwood)

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216

Dagger of the Desert (Joshua Tree)

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217

There Be Monocots (Socotra Dragon Blood Tree)

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218

"Tree" (Chinese Windmill Palm)

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219

Trees Are The Champions, My Friends (Tuliptree)

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220

Drupe Fruit Riot (Peach)

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221

Please Send Us Pawpaws! (Pawpaw)

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222

Take a Twenty, Leave a Penny (Dogwood)

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223

The Mothrix (White Mulberry)

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224

A Tragic Beauty (Southern Live Oak)

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225

BONUS EPISODE - Arbortrary Shorts (feat. Lizzie Falconer & Jen Thomas from Shorts.)

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226

The Lord of the Tree Rings, Part Three: Specimen Tree of Gondor (Stewartia)

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227

The Lord of the Tree Rings, Part Two: Białowieża (Norway Spruce)

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228

The Lord of the Tree Rings, Part One: Concerning Tree Care (Pedunculate Oak)

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229

You Can Grow Your Own Way (Southern Catalpa)

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230

Umwelt (Italian Cypress)

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231

It's Complicated (Paper Birch)

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232

Amazing Technicolor Dreamtree (Rocky Mountain Juniper)

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233

The Other Biggest Tree (Coast Redwood)

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234

The Biggest Tree (Giant Sequoia)

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235

Shagadelic, Baby! (Shagbark Hickory)

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236

Graveyardery (English Yew)

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237

Mastodon! (Osage Orange)

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238

Elven Beauty (European Beech)

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239

Trees Become Alligators (Japanese Black Pine)

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240

BONUS EPISODE - We Three Drinks (Coffee, Hops, & Grapes)

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241

Food of the Gods (Cacao)

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242

Luxuriance of Funguous Flesh (Meyer Lemon)

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243

OG: Original Goop (Sassafras)

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244

The Colossus (Olive)

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245

To Tree or Not to Tree (Filbert)

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246

The Fruit of Life and Death (Pomegranate)

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247

Pinus Delicious (Pinyon Pine)

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248

Monopoly: Dutch Edition (Nutmeg)

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249

The Saddest Nut (Almond)

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250

Goodfungus (Holm Oak)

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251

Wicked Itchy Rashes (Mango)

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252

Chris P. Ness (Apple)

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253

BONUS EPISODE - Completely Arbortrary: Plant-Based Diet - Season 4 Trailer & "Fungal Associates"

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254

F.L.C.T. (Green Ash)

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255

Wilsonville Bee Kill (Littleleaf Linden)

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256

The Widowmaker (Coulter Pine)

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257

Old, But Still Lit (Bristlecone Pine)

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258

The Return of the King (American Chestnut)

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259

The Milkshake Analogy (Western Red Cedar)

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260

Nurse! (Western Hemlock)

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261

Tree of Hell (Tree of Heaven)

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262

Ulmus De Niro (American Elm)

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263

Under(dog)story (Japanese Maple)

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264

iSpread (Quaking Aspen)

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265

C-Men (Bradford Pear)

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266

BONUS EPISODE - Completely Arbortrary: Classic - Season 3 Trailer & "What is a Tree?"

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267

Mangroves on Mangroves on Mangroves (Red Mangrove)

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268

Insect That's Sensitive to Scents (Mountain Ash Eucalyptus)

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269

Knotty Yacht (European Larch)

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270

You Say Tomato, I Say (Jacaranda)

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271

Lothlórien (Kauri)

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272

The Drunken Forests (Black Spruce)

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273

Strangler Than Figtion (Banyan)

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274

God's Wood (Cedar of Lebanon)

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275

Giravves (Umbrella Thorn)

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276

Faerie Talk (Common Hawthorn)

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277

Painting With Nature (Japanese Cherry)

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278

Pehuén (Monkey Puzzle)

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279

Completely Arbortrary: World Tour!
280

The Perfect Flower (Southern Magnolia)

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281

Yee-Haw! (Ponderosa Pine)

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282

Liquid Sunshine (Sugar Maple)

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283

New Roots, New Shoots (Black Willow)

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284

Death by 1,000 Beetles (Lodgepole Pine)

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285

Street Tree Manifesto (European Hornbeam)

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286

met-a-se-KOY-a glyp-to-stro-BOY-des (Dawn Redwood)

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287

The Tree Before Time (Ginkgo)

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288

Jupiter's Nut! (Black Walnut)

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289

Terrible, Horrible, No Good, Very Bad Tree (Arborvitae)

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290

Squirrel Talk (Oregon White Oak)

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291

Episode I: The Phantom Fir (Douglas-fir)

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292

Completely Arbortrary: The Trailer!