When fugitive human astronaut Virdon is shot, his chimp companion Galen must charm an old flame into accepting that a book on human surgery is no hoax. Meanwhile, their friend Burke is captured by the ape authorities and is to be brainwashed by a brilliant ape scientist named Wanda. [The fourth of five telefilms edited from episodes of the 1974 TV series; this film combines the episodes "The Surgeon" and "The Interrogation"]
| Directing | Alf Kjellin | Director |
| Directing | Arnold Laven | Director |
| Writing | Pierre Boulle | Characters |
| Writing | Richard Collins | Writer |
| Writing | Barry Oringer | Writer |
