What Seinfeld episode does Kramer twitch behind elaine and jerry while they sit on couch?

The episode you’re referring to is "The Wig Master," which is Season 7, Episode 17 of Seinfeld. In this episode, Kramer gets a job working for a wig master and hilariously twitches and dances behind Jerry and Elaine as they sit on the couch, showcasing his eccentric personality. This memorable scene highlights Kramer's quirky antics and adds to the comedic dynamic of the show.