There is a strand of Seinfeld episodes that deal exclusively in mind-bending exasperation: this is one of them. The Dinner Party (season five, episode 13) But this is Seinfeld, so instead of the usual wisecracking, we have a profound meditation on death, a throwaway subplot involving Scientology and absolutely zero consolation by the episode’s end, when Kramer car fails to start. Misplacing a car at a multistorey car park is a premise that could fuel many a sitcom. The Parking Garage (season three, episode six) As a character, the Pakistani restaurant owner Babu Bhatt is uncomfortably cartoonish, but what saves this episode (and makes it a classic) is that the joke is squarely on Jerry and his self-congratulatory interior monologue. George’s plan to fake an IQ test goes awry, while Jerry provides business advice to the owner of a failing eatery in the smuggest – and most misguided – way possible. A subplot in which Elaine calls out sexism is a rare jaunt into progressive territory. The show had more than its fair share of great guest stars, and the season eight finale sees three collide: Amanda Peet plays Jerry’s demanding new girlfriend, Molly Shannon is Elaine’s stiff-armed colleague and Raquel Welch appears as a terrifyingly aggressive version of herself.

Photograph: NBC/NBCUniversal/Getty Images Michael Richards as Cosmo Kramer and Raquel Welch as herself in The Summer of George.

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