Urko: These humans are dangerous, don't you understand that? They think that they're as good as we are.
Revealing mistake: The bare, non-furry, forearms of the actor playing Anto are exposed when he is entertaining the gorilla soldiers.
Trivia: In the early 1990's, Roddy McDowall (Galen) was asked what happened to Burke and Virdon after the series ended, as it was abruptly canceled. He replied they found a rocket ship ship, took off, and went back to their own Earth and time.