HOLLYWOOD -- Steve Martin, Martin Short and Selena Gomez are back for season four of "Only Murders in The Building." The popular podcasters are trying to solve yet another deadly mystery..

.one that hits close to home. They find their new case right in Charles-Haden Savage's apartment.

His stunt double has been shot dead, but was the bullet meant for her--or for Savage, the man who lives in the apartment? Despite the drama, expect plenty of comedy, especially since Hollywood wants to turn their podcast into a movie. Fans can expect another season filled with laugh out loud humor. "That's what we go for is a laugh on every page," said Martin.

"Or sometimes you don't want a laugh on every page because it gets very dark and emotional and difficult. But then you revive it with a big laugh. Next question!" So, who laughs the most on set.

.. and who's the cause of that? "I'm the one laughing at them and half of the time, it's not even because they're intentionally being funny.

They're so spectacular," said Gomez. Martin Short added, "Because what's changed from season one when she said, 'I was a little nervous?' She got meaner and meaner every season. We taught her well.

" This season, the people who will be playing the characters in the movie version of their podcast are also involved with trying to solve the case. Martin, Short and Gomez didn't have anything to do with picking their "actor" counterparts, Eugene Levy, Eva Longoria and Zach Galifianakis. "Zach, I had met briefly once .