Entertainment Movies Comedy Movies Kaley Cuoco Is Pregnant, Frisky and on the Hunt for a Serial Killer in 'Based on a True Story' Trailer The Big Bang Theory alum's new Peacock shows puts her in of a group of "true crime weirdos" as she and her husband (played by Chris Messina) try to catch a murderer by luring him onto a podcast By Kelly Wynne Kelly Wynne Kelly Wynne has been a TV writer at PEOPLE digital since 2021. Her work has been seen in Newsweek, where she acted as a reality TV and true-crime writer, Atwood Magazine and her mental health blog, The Chronically. People Editorial Guidelines Published on May 15, 2023 12:45PM EDT The First Look at Kaley Cuoco in Peacock's Based on a True Story is here! The streamer shared a trailer for the upcoming dramedy on Monday — and it throws a murder-loving Cuoco into a local mystery. With her own fumbling finances and an interest in true crime that she knows is highly "monetizable," Cuoco's character comes up with a wildly dangerous plan to catch a serial killer. Kaley Cuoco Celebrates First Mother's Day with Daughter Matilda and Boyfriend Tom Pelphrey PEACOCK In the trailer, viewers are introduced to the mother-to-be Ava Bartlett (Cuoco) as she watches a true crime video on her phone. She reveals the topic is happening close to home. "They're talking about this serial killer that's like basically in our backyard," she says to her husband (Chris Messina). "It is so exciting." Kaley Cuoco 'Cannot Believe How Natural' Tom Pelphrey Is as a New Dad to Baby Matilda PEACOCK But Ava's home life suffers as she becomes consumed by her true crime mission, complete with girls' wine nights to chat about the topic and references the real-life hit podcast My Favorite Murder. "We can't pay any of our bills, you just lost your job, and we have a baby on the way," she asks her husband. "So tell me, how are we going to get by?" Kaley Cuoco Reunites with 8 Simple Rules Costar Amy Davidson and John Ritter's Widow Amy Yasbeck PEACOCK So when Ava witnesses a tragic murder by the notorious "West Side Ripper," she embarks on an unlikely journey and search for answers thanks to a crazy plan — bring the suspected killer on her new podcast. "No one ever went broke betting on America's obsession with murder. He'll never hurt anyone ever again — or we go to the cops," she says. Kaley Cuoco Shares Fresh-Faced Selfie with Baby Daughter Matilda — See the Photo! PEACOCK The couple's podcast ploy may be a dead end, quite literally, as they attempt to hand over a mic to a serial killer. At one point, Ava worries they're "in too deep," fretting, "That's it, we're gonna have a baby in jail." Cuoco and Messina are joined by Tom Bateman, Natalia Dyer and more in the upcoming comedy crime series. Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories. Based on a True Story debuts June 8 on Peacock. Close