Why Dogs Smile & Chimpanzees Cry Episode Ratings Heatmap
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| Avg | E1 | E2 | ||
|---|---|---|---|---|
| S1 |
All Seasons
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Season 1
—02
| Ep | Title | Rating | Yours | Votes | Runtime | |
|---|---|---|---|---|---|---|
| ▶ | 1 | Primary Emotions | — | — | — | |
| ▶ | 2 | Emotionally Speaking | — | — | — |
Full Cast & Crew
Cast
Sigourney Weaver Self - Narrator
Michael deGruy Self - Wildlife Filmmaker
Martyn Colbeck Self - Wildlife Filmmaker
Roger Fouts Self - Chimpanzee Human Communication Institute
Dereck Joubert Self - Wildlife Filmmaker
Jim Dutcher Self - Wildlife Filmmaker
Beverly Joubert Self - Wildlife Filmmaker
Jaak Panksepp Self - Neuroscientist, Bowling Green State University
Frans de Waal Self - Yerkes Regional Primate Research Center
Marc Bekoff Self - University of Colorado, Boulder