There was always something weird about the sudden death of George Costanza’s fiancee on Seinfeld…here’s what really happened.

Bro Bible – Since the death episode, there have been rumors floating around that she was killed off because Jason Alexander didn’t like working with Heidi Swedberg, the actress who played Susan. The theory was explored in Warren Littlefield’s terrific Top of the Rock: Inside the Rise and Fall of Must See TV, which chronicles NBC’s powerhouse 1990s comedy lineup.

Alexander finally addressed the rumors yesterday during his interview with Howard Stern and basically confirmed, yup, that’s what happened.

Alexander said Seinfeld and Julia Louis-Dreyfuss didn’t understand just how challenging working with Swedberg was until they had to do scenes with her.

“You know what? It’s f—ing impossible!” Alexander quotes Seinfeld and Dreyfus as having said after finally having to work with Swedberg.

Then, it was Dreyfus who gave Larry David a way to end the season by saying, “Don’t you wanna just kill her?”

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