Cheers: Season 4, Episode 14
4 - 14: Suspicion
Diane arranges for a stranger to come into Cheers as part of an experiment in paranoid behavior, but then she provides an even better example as she waits for the gang to get back at her.
Diane arranges for a stranger to come into Cheers as part of an experiment in paranoid behavior, but then she provides an even better example as she waits for the gang to get back at her.