Appeared in

Planet of the Flies

Cavemen were the earliest version of humans. They appeared briefly in "Planet of the Flies."

In the episode, the cavemen are having trouble creating fire to cook their meat. (The trouble is that they don't seem to be doing anything.) When Otto fails to help them, Tuddrussel impatiently ignites their meat with his laser gun, and the team prepares to leave.


The cavemen (who are all men) wear simple pieces of clothing and all have rugged hair.


Unknown, except that they are extremely dim. They sit around the meat, acting like they are being warmed by a fire.



  • Otto has no information on cavemen when the team gets the mission.
  • The cavemen never learned how to create fire, so the mission should not have been completed.

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