An android killer in the 1960s sci-fi show Lost in Space pursued the astronauts saying only "Crush! Kill! Destroy!", which Buffy says here, referring to the fact that monsters usually don't communicate ideas. Edit
S 7 : Ep 22
Aired 5/20/03
S 7 : Ep 21
Aired 5/13/03
S 7 : Ep 20
Aired 5/6/03
S 7 : Ep 19
Aired 4/29/03
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