Broke into the wrong goddamn rec room, didn’t ya, you bastard?

[trapped on top of a boulder by a Graboid, Val, Earl, and Rhonda are thinking of explanations for where the creatures came from]

Valentine McKee: [joking] They’re mutations caused by radiation. No, wait; the government made ’em. *Big* surprise for the Russians.

Rhonda LeBeck: Well, there’s nothing like them in the fossil record, I know that for sure. Okay, so they predate the fossil record. But that’d make them a couple of billion years old… and we’ve just never seen one until now. Right.

Earl Bassett: I vote for outer space. No way these are local boys.