Conversation so far:
what was the south park episode trapped in the closet about?
Although some questions were raised prior to the episode's screening about whether it was wise to take swipes at Cruise and Scientology.
what followed these questions?
However, the decision to ultimately produce a South Park episode satirizing Scientology was partially inspired by the friendship the show's creators have with Penn Jillette.
how successful was this episode?
Comedy Central declared that it supported Stone and Parker.

Question: what is the most interesting information of this passage?
Self-contained rewrite: what is the most interesting information of the passage about Trapped in the Closet from South Park?