All Episodes
The Oak Tree Journeys — 95 episodes
Season 1 Episode 84: ANGLOMANIA – ANGSTRÖM
Season 1 Episode 83: ANGLE – ANGLO-EGYPTIAN SUDAN
Bonus: Prayer
Season 1 Episode 82: ANGELL, JAMES BURRILL, LL.D. – ANGLE
Season 1 Episode 81: ANEMOMETER – ANGELL, GEORE THORNDIKE
Season 1 Episode 80: ANDRŒCIUM – ANECDOTE
Happy Labor Day! Skipping this week for the holiday
Season 1 Episode 79: ANDREE, SALOMON AUGUSTE – ANDRISCUS
Season 1 Episode 78: ANDERSONVILLE – ANDREÆ, JOHANN VALENTIN
Encyclopedia Challenge Season 1 Episode 77: ANDANTE – ANDERSON COLLEGE
Encyclopedia Challenge Season 1 Episode 76: ANCELOT, JACQUES-ARSÉNE-POLYCARPE-FRANÇOIS – ANDAMANS
Encyclopedia Challenge Season 1 Episode 75: ANASTIUS I, PATRIARCH OF CONSTANTINOPLE – ANCASTÉ
Encyclopedia Challenge Season 1 Episode 74: ANALYSIS, CHEMISTRY – ANASTASIUS I, POPE
Encyclopedia Challenge Season 1 Episode 73: ANADIR or ANADYR BAY – ANALYSIS, MATHEMATICAL
Thank you for your patience in the delay of Encyclopedia Challenge Season 1/Episode 73
Encyclopedia Challenge Season 1 Episode 72: AMYRIDACEÆ – ANADIPLOSIS
Encyclopedia Challenge Season 1 Episode 71: AMRITSAR – AMYRAUT, MOISE
Encyclopedia Challenge Season 1 Episode 70: AMPHID – AMRAPHEL
Encyclopedia Challenge Season 1 Episode 69: AMORPHII – AMPHICYON
Encyclopedia Challenge Season 1 Episode 68: AMMONIA – AMOR’PHA
Encyclopedia Challenge Season 1 Episode 67: AMHERST, WILLIAM PITT, EARL OF – AMMON, OTTO
Encyclopedia Challenge Season 1 Episode 66: AMERICAN UNIVERSITY, THE – AMHERST, JEFFERY (BARON AMHERST)
Encyclopedia Challenge Season 1 Episode 65: AMBUSCADE – AMERICAN LITERATURE
Encyclopedia Challenge Season 1 Episode 64: AMBIENT – AMBURY
Encyclopedia Challenge Season 1 Episode 63: AMASIS – AMBIDEXTER
Encyclopedia Challenge Season 1 Episode 62: ALYATTES – AMASIA or AMASIEH or AMASIAYAH
Encyclopedia Challenge Season 1 Episode 61: ALTSHELER, JOSEPH ALEXANDER – ALWUR or MACHERY
Encyclopedia Challenge Season 1 Episode 60: ALTER – ALTRUISM (2)
Encyclopedia Challenge Season 1 Episode 59: ALRED or ALREDUS – ALTENSTEIN
Encyclopedia Challenge Season 1 Episode 58: ALOSA – ALREADY
Encyclopedia Challenge Season 1 Episode 57: ALMONDS, VOLATILE OIL or ESSENTIAL OIL OF – ALORA
Encyclopedia Challenge Season 1 Episode 56: ALLWARD, WALTER SEYMOUR – ALMONDS, FIXED OIL OF
Encyclopedia Challenge Season 1 Episode 55: ALLOGAMY – ALLUVIUM
Encyclopedia Challenge Season 1 Episode 54: ALLIBONE, SAMUEL AUSTIN LLD – ALLODIUM
Encyclopedia Challenge Season 1/Episode 53: ALLEN, SIR JOHN CAMBBELL – ALLIANCE
Encyclopedia Challenge Bonus: Valentine's Day
Encyclopedia Challenge Season 1/Episode 52: ALLEGHENY COLLEGE – ALLEN, JOEL ASAPH
Encyclopedia Challenge Season 1/Episode 51: ALKARSIN – ALLEGHENY, PENN.
Encyclopedia Challenge Season 1/Episode 50: ALIEN – ALKANNA
Encyclopedia Challenge Season 1/Episode 49: ALGOMA – ALIDADE
Encyclopedia Challenge Season 1/Episode 48: ALFRED – ALGOMETER
Encyclopedia Challenge Season 1/Episode 47: ALFONSINE TABLES – ALFRED or ALURED OF BEVERLEY
Encyclopedia Challenge Season 1/Episode 46: ALEXANDERSON, ERNST FREDERIK WERNER – ALFONSINE
Encyclopedia Challenge Season 1/Episode 45: ALEXANDER, BARTON STONE – ALEXANDERS
Encyclopedia Challenge: Christmas Bonus
Encyclopedia Challenge Season 1/Episode 44: ALERT – ALEXANDER, ARCHIBALD D.D., LL.D.
Encyclopedia Challenge Season 1/Episode 43: ALDERSHOT CAMP – ALEPPO
Encyclopedia Challenge Season 1/Episode 42: ALCOVE – ALDERNEY
Encyclopedia Challenge Season 1/Episode 41: ALBRET – ALCOTT, MAY
Encyclopedia Challenge Season 1/Bonus 5: Happy Thanksgiving!
Encyclopedia Challenge Season 1/Episode 40: ALBANY or ALBAINN – ALBRECHTSERGER, JOHANN GEORG
Encyclopedia Challenge Season 1/Episode 39: ALAIN-FOURNIER – ALBANS, ST.
Encyclopedia Challenge Season 1 Episode 38: AKEE – ALAIN DE LILLE or ALANUS AB INSULIS
Encyclopedia Challenge Season 1/Episode 37: AINTAB – AKED, CHARLES FREDERIC
Encyclopedia Challenge: Halloween Bonus
Encyclopedia Challenge Season 1 Episode 36: AGRONOMY – AIN’T
Encyclopedia Challenge: Apology
Encyclopedia Challenge Season 1 Episode 35: AGRA – AGRISE
Encyclopedia Challenge Season 1 Episode 34: AGENIA – AGOUTI
Encyclopedia Challenge Season 1 Episode 33: AFRESH – AGENESIS
Encyclopedia Challenge Season 1/Episode 32: AFFLICT – AFRANIUS
Encyclopedia Challenge Season 1 Episode 31: AERONAUT – AFFLATUS
Encyclopedia Challenge Season 1 Episode 30: ADVERTISEMENT - AEROMETER
Encyclopedia Challenge Season 1 Episode 29: ADOUR – ADVERTISE
Encyclopedia Challenge Bonus
Encyclopedia Challenge Season 1 Episode 28: ADJURE - ADOSCULATION
Encyclopedia Challenge Season 1 Episode 27: ADE, GEORGE - ADJUNCT
Encyclopedia Challenge Season 1/Episode 26: ADAMS, CHARLES FRANCIS, LLD – ADDUCE
Encyclopedia Challenge Season 1/Episode 25: ACTON, JOHN EMERICH EDWARD DALBERG - ADAMS, CHARLES FOLLEN
Encyclopedia Challenge Season 1 Episode 24: ACRE - ACTIUM
Encyclopedia Challenge Season 1 Episode 23: ACHILL – ACQUIT
Encyclopedia Challenge Season 1/Episode 22: ACCOUTRE – ACHIEVE
Encyclopedia Challenge Season 1/Episode 21: ACASTUS – ACCOURAGE
Encyclopedia Challenge Season 1/Episode 20: ACANTHUS – ACARUS FOLLICULORUM
Encyclopedia Challenge Season 1/Episode 19: ACACIA – ACANTHOTEUTHIS
Encyclopedia Challenge Season 1/Episode 18: ABUTILON – AC
Encyclopedia Challenge Season 1/Episode 17: ABSTRICTED – ABUT
Encyclopedia Challenge Season 1/Episode 16: ABSORB – ABSTRACTION
Encyclopedia Challenge Season 1/Episode 15: ABSCOND – ABSONANT
Encyclopedia Challenge: Independence Day Bonus
Encyclopedia Challenge Season 1/Episode 14: ABRANCHIATA – ABSCISS
Encyclopedia Challenge Season 1/Episode 13: ABORT – ABRAHAM-MEN
Encyclopedia Challenge Season 1/Episode 12: ABO – ABORIGINES
Encyclopedia Challenge S1/Episode 11: ABERCROMBIE, JOHN JOSEPH - ABNORMAL PSYCHOLOGY
Encyclopedia Challenge Season 1/Episode 10: ABDUL-AZIZ – ABERCROMBIE, JOHN M.D.
Encyclopedia Challenge S1 E9: ABBREVIATIO-PLACITORUM - ABDUCTION
Encyclopedia Challenge S1 E8: ABBOTT, EDWARD - ABBREVIATIONS
Encyclopedia Challenge: ABBEY, HENRY – ABBOT, CHARLES CONRAD M.D.
Encyclopedia Challenge: ABBASIDES – ABBEY, EDWIN AUSTIN
Encyclopedia Challenge: ABAUZIT – ABBAS-MIRZA
Encyclopedia Challenge: ABASE – ABAT-VOIX
Encyclopedia Challenge: From ABANCOURT, CHARLES XAVIER JOSEPH to ABASCAL, JOSE FERNANDO
Encyclopedia Challenge: From AALI PASHA to ABANCAY
Encyclopedia Challenge - From the letter A to the word Aalborg
The Oak Tree Journeys (Trailer)