What happened to ‘The Simpsons’ season 5 finale?

A new season of “The Simpsons” finale aired Thursday night, but what is the episode about?

Will Bart and Lisa be able to return to Springfield in time to save Lisa and the gang from an evil alien?

And what will be the fate of the town that made them famous?ABC News caught up with creator Matt Groening for this exclusive interview.

“I don’t think we’ve ever talked about that,” Groening said when asked about the finale. “I don