Even for a show as zany as Seinfeld, it was a little bit out there when the show abruptly killed off George’s fiancé Susan. If you recall, the character of Susan, played by Heidi Swedberg, died after licking wedding envelopes that turned out to be partially poisonous on account of George buying envelopes with low-quality glue.
Quirky, yet odd.
Flash forward 19 years and we finally have a legit explanation as to why the show killed off Susan, and in such a strange manner no less.
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