Return to the Planet of the Apes Trail to the Unknown (Season 1, Episode 7)
TV Episode | 30 min | Animation, Adventure, Sci-Fi

Return to the Planet of the Apes

Trail to the Unknown (Season 1, Episode 7)

TV Episode | 30 min | Animation, Adventure, Sci-Fi

The astronauts lead the humanoids to New Valley and stumble upon fellow astronaut Brent. Meanwhile General Urko tries to find the thief who stole his plane.

Director

Doug Wildey

Writers

Larry Spiegel (written by) | David H. DePatie (developer) | Friz Freleng (developer) | Pierre Boulle (characters)

Producers

David H. DePatie | Friz Freleng

Composer

Dean Elliott

Editors

Allan R. Potter (as Allan Potter) | Rick Steward

See all filmmakers & crew (43)

Edit Released

Updated Oct 18, 1975

Release date

Oct 18, 1975 (United States)

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Cast	+ Add Cast
7 cast members

Name	Known for
Richard Blackburn Dr. Zaius (voice) Dr. Zaius (voice) See fewer	Lemora: A Child's Tale of the Supernatural (1973)
Henry Corden General Urko (voice) General Urko (voice) See fewer	The Ten Commandments (1956)
Philippa Harris Dr. Zira (voice) Dr. Zira (voice) See fewer	The Outside Man (1972)
Edwin Mills Dr. Cornelius (voice) Dr. Cornelius (voice) See fewer	Monsieur Verdoux (1947)
Claudette Nevins Judy Franklin / Nova (voice) Judy Franklin / Nova (voice) See fewer	Sleeping with the Enemy (1991)
Austin Stoker Jeff Allen (voice) Jeff Allen (voice) See fewer	Assault on Precinct 13 (1976)
Tom Williams Bill Hudson (voice) Bill Hudson (voice) See fewer	The Great Outdoors (1988)