“The Simpsons” returns for its 34th season on ... In the episode “When Nelson Met Lisa,” inspired by “When Harry Met Sally,” guest star Simu Liu will make an appearance.

But coming off that high mark, the show hit a bump in the road: “The Simpsons” aired its first clip show. “I mean, the title of the episode is, ‘So It’s Come to This: A Simpsons Clip ...