Return to the Planet of the Apes
Season 1, Episode 12: Invasion of the Underdwellers
Select Source
Reports pour in to the police that burglars are striking all over Ape City.
All Episodes - Season 1
Episode 1
Flames of Doom
Episode 2
Escape from Ape City
Episode 3
The Unearthly Prophecy
Episode 4
Tunnel of Fear
Episode 5
Lagoon of Peril
Episode 6
Terror on Ice Mountain
Episode 7
River of Flames
Episode 8
Screaming Wings
Episode 9
Trail to the Unknown
Episode 10
Attack from the Clouds
Episode 11
Mission of Mercy
Episode 12
Invasion of the Underdwellers
Episode 13
Battle of the Titans