6.7/10
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Trail to the Unknown 

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.

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Cast

Episode credited cast:
Richard Blackburn ...
Dr. Zaius (voice)
...
General Urko (voice)
Philippa Harris ...
Dr. Zira (voice)
Edwin Mills ...
Dr. Cornelius (voice)
...
Judy Franklin / Nova (voice)
...
Jeff Allen (voice)
Tom Williams ...
Bill Hudson (voice)
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Storyline

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.

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Details

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Release Date:

18 October 1975 (USA)  »

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Aspect Ratio:

1.33 : 1
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Did You Know?

Trivia

Ronald Brent left Earth on August 6, 2109. See more »

Quotes

Ape Soldier: But General, we're not prepared for river travel.
General Urko: Why not?
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