As George sets out to preserve his high score on an old arcade game, a serial killer's presence forces Jerry into a relationship he doesn't like.
Jerry turns in Uncle Leo for shoplifting while George is forced to buy an expensive book he was caught reading in the store's bathroom.
George complains about Tim Whatley's making a donation in his name to a local charity, while Kramer learns that a twelve-year-long strike at the bagel shop where he once worked is over. Kramer then inspires Frank to revive Festivus, a holiday he created as an alternative to Christmas.
As Kramer puts a discarded talk show set in his apartment, Jerry schemes to play with a girlfriend's vintage toys; while Elaine deals with a scheming employee.
Elaine and a former boss join forces in a muffin top business; George pretends to be a tourist in order to get a date.
After mourning for three months, George is ready to put Susan's death behind him. Meanwhile, Elaine is taken by surprise when Peterman quits and leaves her to run the business. After assuming complete control, her confidence is shaken when she learns the truth about Kramer's karate title.
As George's job is jeopardized by his boss' failing memory, Kramer and Newman hatch a moneymaking scheme; Elaine's boss sends her to buy JFK's golf clubs, and Jerry's car is kidnapped by an over-protective mechanic.
Jerry's relationship with Susan's best friend is impaired by a missing jacket.
George's secret bank code inadvertently becomes a dying woman's last word.
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