"The Frogger" Season 9, Episode 18

George decides to buy an old Frogger game when he sees that he still holds the high score from when he was a kid. But in order to do so, he can't pull the plug his score will be lost. Jerry finds his girlfriend's habit of finishing his sentences rather annoying. Elaine gets fed up with all the office parties and boycotts them, but realizes she'd gotten used to her afternoon sugar fix. So, she sneaks some cake from Peterman's office, not realizing it's worth $29,000. Jerry stays with his girlfriend just because he's afraid to go out at night with a serial killer on the loose.