PLANET OF THE APES. BtVS Intertext/Allusion.

"When She Was Bad" opens with Willow and Xander playing a game of "Name the Movie," quoting famous lines from movies:

Xander: Um, oh, okay, I got one. (imitating Charlton Heston) "It's a madhouse! A mad . . ."

Willow: (interrupts) Planet of the Apes.

Xander: Can I finish, please?

Willow: Oh! Sorry, go ahead.

Xander: ". . . house!" (indicates she may answer)

Willow: Planet of the Apes.

 

Planet of the Apes was a 1968 film starring Charlton Heston about an astronaut who crashes on a planet on which apes are the ruling species and men are their slaves.

--David Lavery