00:30

Vote for the Koko Signs App

03:19

A Call from Koko

02:01

Koko and Mike Play Hide-and-Seek (1977)

01:19

World Gorilla Day 2024 / Michael's Story

03:22

Koko's Imaginative Play

03:19

KokoCast 3 Trailer: Greg Cummings Interview

01:07:08

KokoCast 3: Greg Cummings

02:00

Kokos Kitten Playdate

01:51

Koko and Penny's Book Club

02:37

Koko Uses A View-Master

01:31

Young Michael Signs

01:25

Baby Koko Explores The Zoo

03:59

Koko's Birthday Tribute 2024

01:41

Ndume's Taste of Summer

02:02

Gorilla Watermelon Work

01:56

Young Koko & Kate

02:46

Koko Signs App Tutorial 1: How to Learn a Sign

01:51

Koko Gardening

02:08

Get On The Chase-Tickle "Train"

02:56

Koko's Kitten Playdate

02:08

Joyful Koko

02:34

The Koko Signs App Goes to Africa

02:42

Koko Signs "Brush"

02:09

Koko Comments On Her Gorillas Book

01:47

Koko and Penny by the Redwood Tree

24:25

KokoCast 2: Meet the Founders: Part 1: How it All Began

01:54

Koko is Ready to Eat!

46:57

KokoCast 1: Penny Patterson & Ian Redmond

01:49

Koko Uses a Microphone!

02:11

Young Koko Plays With Blocks

01:40

Koko Knows She's a "Gorilla"

03:32

Happy 42nd Birthday, Ndume (2023)

01:25

World Gorilla Day 2023 — Koko Used Natural Gestures!

01:42

Young Koko Learns Her First Signs

02:02

Koko Responds to Spoken English

01:44

Koko's Birthday Bird

01:22

Red Makes Koko Hungry (1999)

01:38

Koko's Choice - Alligators or Snakes?

03:41

Reflecting on Koko's Playfulness (2023)

03:50

Celebrating Koko on Her Birthday 2023

03:36

Reflections on Koko's Playfulness

02:05

Young Koko Plays in the Hay

01:24

Koko Directs Her Playtime (KokoArc Video, 1975)

01:41

Koko Jumps on the Bed

01:27

Koko Plays the Harmonica

02:57

Meet The Gorilla Foundation

01:55

Koko Learns to Sign "Flower"

01:54

Koko Pets the Dog She Named Smile

02:19

Koko's Talking Teletype (1977-79)

01:43

Koko's Sour Snack

01:26

Koko Climbs a Tree

04:09

Koko's EarthDay Report (2023)

02:34

Koko and Robin Williams Laugh (2000)

01:23

Koko Tickles Penny's Foot

02:17

Koko Uses a Mirror - Part 2: Recognition

01:53

Koko Uses a Mirror - Part 1: Pre-Recognition

02:51

Koko and her Talking Computer (1991)

01:44

Young Koko and Mike Play

01:37

Michael Learns to Sign "Drink" with Koko & Penny (1977)

05:02

Penny and Koko Read Koko's Kitten (1988)