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After driving Howard's old DeSoto, Richie and Potsie buy their very own car, which has problems such as the motor doesn't work and the "make-out" seat in the front collapses. This causes trouble when the two try to impress a couple of girls. But things really get out of hand when the car rolls down a hill and into a lake.
The drive-in is renamed "Arnold's."
This is Tita Bell's first appearance as Trudy.
We discover that Ritchie is 17 in this episode.