All episodes
The Jesuits
Mars
Jorge Luis Borges
Constantinople Siege and Fall
Hell
Indian Mathematics
Anarchism
The Speed of Light
Altruism
The Peasants’ Revolt
Pope
The Poincaré Conjecture
The Encyclopédie
The Needham Question
The Diet of Worms
Averroes
Humboldt
Comedy in Ancient Greek Theatre
Pastoral Literature
Galaxies
The Spanish Inquisition
Carbon
Uncle Tom's Cabin
The Heart
Mathematics and Music
Mill
Fairies
Astronomy and Empire
The Great Exhibition of 1851
Immunisation
The Oxford Movement
Goethe
The Carolingian Renaissance
The Royal Society
Don Quixote
Negative Numbers
Friendship
Catherine the Great
Human Evolution
Chaucer
The Abbasid Caliphs
Seventeenth Century Print Culture
Relativism
Prime Numbers
The Oath
The Oresteia
Heaven
The Peterloo Massacre
Artificial Intelligence
Hobbes
The Graviton
Pragmatism
Greyfriars and Blackfriars
Asteroids
Johnson
Cynicism
Mammals
The Field of the Cloth of Gold
Magnetism
Marx
Marlowe
Merlin
The KT Boundary
Paganism in the Renaissance
The Scriblerus Club
Renaissance Maths
The French Revolution's reign of terror
Beauty
Abelard and Heloise
Perception and the Senses
The Aeneid
Archaeology and Imperialism
Alfred and the Battle of Edington
John Ruskin
Angels
Dark Energy
Modernist Utopias
Stoicism
Alchemy
The Cambrian Period
The Mind/Body Problem
Tsar Alexander II's assassination
The Roman Republic
Faust
The Second Law of Thermodynamics
Machiavelli and the Italian City States
Jung
The Venerable Bede
Higgs Boson
Zoroastrianism
Electrickery
Witchcraft
Rhetoric
The Han Synthesis
Sartre
Politeness
The Origins of Life
Agincourt
The Odyssey
Pi