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Return to the Planet of the Apes S1E12 — Invasion of the Underdwellers
5.9
Return to the Planet of the Apes•Season 1•Episode 12

Invasion of the Underdwellers

5.9/10 · 116 votesNov 22, 197530 min

Ranked #11 of 13 in Season 1•−0.2 vs season avg

Discussion

Reports pour in to the police that burglars are striking all over Ape City.

Written byJohn Strong
Previous episodeE11 · Mission of MercyNext episodeE13 · Battle of the Titans
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Seasons1

All1

Season 1 Episodes13

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Flames of Doom

Escape from Ape City stillE2 6.4

Escape from Ape City

The Unearthly Prophecy stillE3 6.3

The Unearthly Prophecy

Tunnel of Fear stillE4 6.1

Tunnel of Fear

Lagoon of Peril stillE5 6.5

Lagoon of Peril

Terror on Ice Mountain stillE6 6.0

Terror on Ice Mountain

River of Flames stillE7 6.1

River of Flames

Screaming Wings stillE8 5.4

Screaming Wings

Trail to the Unknown stillE9 5.9

Trail to the Unknown

Attack from the Clouds stillE10 6.0

Attack from the Clouds

Mission of Mercy stillE11 6.1

Mission of Mercy

Invasion of the Underdwellers stillE12 5.9Now viewing

Invasion of the Underdwellers

Battle of the Titans stillE13 5.8

Battle of the Titans

Cast7

Austin Stoker

Austin Stoker

Jeff Allen (voice)

P

Philippa Harris

Dr. Zira (voice)

Henry Corden

Henry Corden

General Urko (voice)

Richard Blackburn

Richard Blackburn

Dr. Zaius (voice)

E

Edwin Mills

Dr. Cornelius (voice)

Claudette Nevins

Claudette Nevins

Nova / Judy Franklin (voice)

T

Tom Williams

Bill Hudson (voice)

Crew1

J

John Strong

Writer

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Episode Summary

"Invasion of the Underdwellers" is episode 12 of Return to the Planet of the Apes season 1. It scored 5.9/10 from 116 votes, ranking #11 of 13 episodes this season (season average 6.1). Written by John Strong, it aired on November 22, 1975.

Next: E13 · Battle of the TitansBest of Season 1