Scientists Culp and Wallach suspect that there is someone other than their research primates inhabiting their polar station.
- Year: 1973
- Country: United States of America
- Genre: Horror, Science Fiction, Thriller, TV Movie
- Studio: Spelling-Goldberg Productions, ABC Circle Films, 20th Century Fox Television, American Broadcasting Company (ABC)
- Keyword: research, helicopter, isolation, arctic polar circle region, laboratory, scientist, monkey, chimpanzee
- Director: Jerrold Freedman
- Cast: Robert Culp, Eli Wallach, Michael C. Gwynne, Vic Perrin