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WATCH NEWEST EPISODES
S21 E1 - The Intelligence Man
S21 E2 - Microworld!
S21 E3 - A New Green Revolution?
S21 E4 - Spies in the Wires
S21 E5 - Valley of the Inca
S21 E6 - The Conquest of Parasites
S21 E7 - Reflections on a River
S21 E8 - A Normal Face
S21 E9 - Prisoners of Incest
S21 E10 - Signs of the Apes, Songs of the Whales
S21 E11 - Professor Bonner and the Slime Moulds
S21 E12 - The Mind of a Murderer: The Case of the Hillside Strangler
S21 E13 - The Mind of a Murderer: The Mask of Madness
S21 E14 - A Cruel Inheritance
S21 E15 - The Malvern Link
S21 E16 - Contented Cows and Other Animals
S21 E17 - Picking Winners
S21 E18 - The Brain Puzzle
S21 E19 - Global Village
S21 E20 - Ivan
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