sweetening
n.— «I’m not going to claim that nothing I ever wrote or produced got juiced up in post-production. But I never had anything to do with the laugh-track process—called sweetening. I always left that to the line producer, and my instructions were to add laughs only when a joke didn’t get a fair shake in front of a live audience.» —“Exclusive Interview: Bill Bryan” by Cameron Hughes Cinematic Happenings Under Development Jan. 2, 2008. (source: Double-Tongued Dictionary)
Further reading
The adjective corny describes someone or something “unsophisticated” or “naive.” This sense of corny goes back at least as far as the 1920s. Seed catalogs of the time often contained bits of goofy jokes and broad humor...