All episodes
Venus
The Poor Laws
Sir Gawain and the Green Knight
The Thirty Years War
The Long March
Hope
Horace
Marie Antoinette
Free Radicals
The Fable of the Bees
Is Shakespeare History? The Romans
Is Shakespeare History? The Plantagenets
Edith Wharton
Dietrich Bonhoeffer
Automata
The Iliad
William Morris
The Mexican-American War
Echolocation
Montesquieu
Persepolis
Henrik Ibsen
Margaret of Anjou
The Emancipation of the Serfs
The Mabinogion
The Almoravid Empire
The Proton
Middlemarch
George and Robert Stephenson
Roman Slavery
Tocqueville: Democracy in America
Augustine's Confessions
The Highland Clearances
Sun Tzu and The Art of War
Rosalind Franklin
Fungi
Frederick Douglass
Cephalopods
Cicero
Anna Akhmatova
The Siege of Malta, 1565
Hamlet
Beethoven
Thomas Becket
Moby Dick
Carl Friedrich Gauss
Thebes
Germaine de Stael
The Picts
Picasso's Guernica
Feathered Dinosaurs
The Congress of Vienna
Aphra Behn
Constantine the Great
Wuthering Heights
Kant's Categorical Imperative
al-Biruni
Bird Migration
Plato's Republic
Eugene Onegin
The American Populists
Christine de Pizan
Enzymes
Purgatory
Louis Pasteur
Emily Dickinson
The Battle of Lincoln 1217
The Egyptian Book of the Dead
Roger Bacon
Rosa Luxemburg
Pauli's Exclusion Principle
Hokusai
The Battle of Salamis
The Paleocene-Eocene Thermal Maximum
North and South
The Kuiper Belt
Seneca the Younger
Maths in the Early Islamic World
John Clare
Hannah Arendt
Parasitism
Mary, Queen of Scots
Nietzsche's Genealogy of Morality
Johannes Kepler
Four Quartets
The Gin Craze
Harriet Martineau
Garibaldi and the Risorgimento
Baltic Crusades
Justinian's Legal Code
The Fighting Temeraire
Epic of Gilgamesh
John Dalton
The 12th Century Renaissance
Plasma
Lakshmi
Animal Farm
Zeno's Paradoxes
The Invention of Photography
Sovereignty