Extras

Video thumbnail: Koko - The Gorilla Who Talks Preview

Koko - The Gorilla Who Talks

Preview

The unique story of a life-long relationship between a scientist and Koko the gorilla.

Preview

Video thumbnail: Koko - The Gorilla Who Talks Early Days with Koko

Koko - The Gorilla Who Talks

Early Days with Koko

In this clip we see how Penny began to work with Koko.

Early Days with Koko

Video thumbnail: Koko - The Gorilla Who Talks Facing Critics

Koko - The Gorilla Who Talks

Facing Critics

Another ape language specialist became convinced that the whole field was flawed.

Facing Critics

Video thumbnail: Koko - The Gorilla Who Talks The Move to Stanford

Koko - The Gorilla Who Talks

The Move to Stanford

Penny moved Koko from San Francisco Zoo to Stanford, where their communication work began.

The Move to Stanford

Video thumbnail: Koko - The Gorilla Who Talks Battle for Koko

Koko - The Gorilla Who Talks

Battle for Koko

Although Penny and Koko were now deeply bonded, Koko still belonged to San Francisco Zoo.

Battle for Koko

Video thumbnail: Koko - The Gorilla Who Talks Meet Koko

Koko - The Gorilla Who Talks

Meet Koko

In this introduction to the film we meet Koko the world famous gorilla.

Meet Koko