The Nose Job - S3-E9
Revealing mistake: When George is talking to his girlfriend about the possibility of getting a nose job, Elaine is visible in the other room waiting to make her entrance.
Seinfeld (1990)
1 revealing mistake in The Nose Job
Starring: Jason Alexander, Julia Louis-Dreyfus, Michael Richards, Jerry Seinfeld
Genres: Comedy
The Burning - S9-E16
Continuity mistake: At the beginning of the episode, when Puddy is farewelling Elaine on the street, he is standing on the sidewalk and leaning through the driver's window. The following shot when she pulls out quickly, you can see through the windows of the car that Puddy is nowhere to be seen.
Elaine: The thing about George is, he's an idiot.
The Robbery - S1-E2
Trivia: Michael Richards invented his patented Kramer entrance in this episode on accident. He missed his cue and thought he would make up for lost time.
More questions & answers from Seinfeld
Answer: The name is Delores. He shouts that name at the end of the episode. Then in a later episode, "The Foundation", he runs into her. And he repeatedly calls her Delores.