S21 · E10

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S21 · E10

Signs of the Apes, Songs of the Whales

Mar 26, 19841h

Horizon investigates the linguistic potential of non-human species.

‹ E09 All episodes E11 ›

Episodes

Feb 13, 1984 · 1h

S21 · E06

The Conquest of Parasites

Feb 27, 1984 · 1h

S21 · E07

Reflections on a River

Mar 5, 1984 · 1h

S21 · E08

A Normal Face

Mar 12, 1984 · 1h

S21 · E09

Prisoners of Incest

Mar 19, 1984 · 1h

S21 · E10

Signs of the Apes, Songs of the Whales

Mar 26, 1984 · 1h

S21 · E11

Professor Bonner and the Slime Moulds

Apr 9, 1984 · 1h

S21 · E12

The Mind of a Murderer: The Case of the Hillside Strangler

Apr 16, 1984 · 1h

S21 · E13

The Mind of a Murderer: The Mask of Madness

Apr 23, 1984 · 1h

S21 · E14

A Cruel Inheritance

Apr 30, 1984 · 1h

S21 · E15

The Malvern Link

May 7, 1984 · 1h

S21 · E16

Contented Cows and Other Animals

Nov 5, 1984 · 1h

S21 · E17

Picking Winners

Nov 12, 1984 · 1h

S21 · E18

The Brain Puzzle

Nov 19, 1984 · 1h

S21 · E19

Global Village

Nov 26, 1984 · 1h

S21 · E20

Ivan

Dec 3, 1984 · 1h

S21 · E21

A Mathematical Mystery Tour

Dec 10, 1984 · 1h

S21 · E22

Supercharged

Dec 17, 1984 · 1h

Signs of the Apes, Songs of the Whales

Episodes

The Intelligence Man

Microworld!

A New Green Revolution?

Spies in the Wires

Valley of the Inca

The Conquest of Parasites

Reflections on a River

A Normal Face

Prisoners of Incest

Signs of the Apes, Songs of the Whales

Professor Bonner and the Slime Moulds

The Mind of a Murderer: The Case of the Hillside Strangler

The Mind of a Murderer: The Mask of Madness

A Cruel Inheritance

The Malvern Link

Contented Cows and Other Animals

Picking Winners

The Brain Puzzle

Global Village

Ivan

A Mathematical Mystery Tour

Supercharged