https://www.cbr.com/sitcoms-that-deserved-a-proper-finale/

Sitcoms have formed the backbone of television for decades. But from Chuck to Seinfeld, not all series got the finales they deserved.

Chuck wasn't a sitcom, cbr..

The producers of Seinfeld should have recorded an alternate version, and when the aired version flopped, at least there would be another one. The alternate couldn't be worse.