"The Rye" episode was based on a real event.
On season seven, episode 11, after George's parents take back a loaf of rye bread they brought to a dinner party, George and Jerry go to great lengths to replace it.
This was actually based on a real-life incident relayed to Seinfeld by comedian and writer Carol Leifer, according to an interview with News.com.au.
Jerry Seinfeld reportedly gave the cast a special gift after the show ended.
Recurring cast member Patrick Warburton, who played David Puddy, told News.com.au that Jerry Seinfeld gave the series-finale cast engraved Cartier watches after taping the final episode.
The theme song was slightly different on every episode.
Listen closely to each episode and you might catch the subtle changes to the theme song, composed by Jonathan Wolff.
He told Great Big Story in 2017, "I have no idea how many themes we did for Seinfeld. I knew that each monologue was gonna be different 'cause [Jerry] tells different jokes. The timing, the length -- it had to be adjustable.
He continued, "Each monologue had its own recording of the 'Seinfeld' theme to match those timings."
Jerry's puffy shirt is now a historical artifact.
On episode two, season five, Kramer's girlfriend inadvertently convinces Jerry to wear the famous puffy shirt for his "Today Show" appearance.
The costume piece is currently housed at the Smithsonian in the National Museum of American History.
Some reports stated that the streets were clear for the ambulance that evening because much of Los Angeles was indoors watching the final episode of "Seinfeld."
"The Soup Nazi" was based on a real person.
The bossy chef who terrorized his customers by invoking a strict set of rules in order to secure his soup was based on Ali Yeganeh, according to Entertainment Weekly.
Reportedly, Yeganeh hates "Seinfeld" and the "Soup Nazi" nickname.
Businessman George Steinbrenner filmed an unaired cameo.
George Steinbrenner played George Costanza's boss during Steinbrenner's stint as the owner of the New York Yankees. He was only alluded to by name, but that was supposed to change with a cameo appearance from the sports mogul.
In an interview on "The Rich Eisen Show," Seinfeld said Steinbrenner's cameo was unusable and "awkward."
"He did a scene on the show and it was terrible. We couldn't use it ... we cut him out," Seinfeld said. "It wasn't funny."
Elaine wasn't on the pilot, and the character almost never existed.
Strange as it may seem, Julia Louis-Dreyfus was not the original choice to be the leading lady on the show.
According to the HuffPost, the waitress from the pilot, Claire (played by Lee Garlington) was originally going to be the female lead. But Elaine (played by Louis-Dreyfus) was introduced when the series was picked up for the first season.
Jason Alexander said he threatened to leave the show during season three.
Jason Alexander, who played George, said he had a successful theater career in New York when "Seinfeld" began and he'd thought he would be doing that for his whole life.
So when George was left out of a season-three episode, Alexander told Access Hollywood in 2017, he met with David and seemingly threatened to leave the show if this happened to his character again.
"If you do that again, do it permanently," Alexander said he told David. "If you don't need me to be here every week ... I'd just as soon go back home."
Michael Richards is a man of many talents.
Actor Michael Richards, who played Kramer, is a certified diver.
The skill came in handy when filming his underwater scene for "The Friar's Club" episode. He reportedly nailed it in two takes, according to an inside-look interview from season seven.
Kramer's nickname was initially Kessler.
Jerry's neighbor Kramer became one of the most iconic and hilarious characters on "Seinfeld," but that wasn't always his name.
On the pilot episode, Jerry calls him Kessler.
This story was originally published in October 2018, and most recently updated on June 6, 2024.
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