Mystery Science Theater 3000 S04 E04 Teenagers from Outer Space

"We've got Movie Sign!"

In the theater, the crew watches as a teenage alien falls in love with a human girl and helps fight back against his former friends, who are attempting to take over the planet in "Teenagers from Outer Space" (1959). Meanwhile, on the SOL, Joel and the bots have an encounter with the disappointing crew of a Skull Cruiser.