Grey's Anatomy is back — and someone from Meredith's past

On today's What to Watch: Grey's Anatomy kicks off its 18th season with another Station 19 crossover, and Peter Gallagher guest-stars as a doctor from Meredith's mom's past; Kristen Bell and Kirby Howell-Baptiste star in the new Paramount+ movie Queenpins as two friends who scam huge corporations out of millions via a couponing scheme; and Demi Lovato tells us about their extraterrestrial experience that led them to make the new docuseries Unidentified. Big Sky is back for season 2, and star John Carroll Lynch tells EW what he's watching and loving. Plus, entertainment headlines — including how Mayim Bialik ruined her friendship with Neil Patrick Harris, the Book of Boba Fett release date, and the Game of Thrones prop that Hannah Waddingham kept — and trivia. More at ew.com, ew.com/wtw, and @EW. Host: Gerrad Hall (@gerradhall); Editor/Producer: Joshua Heller (@joshuaheller); Writer: Tyler Aquilina (@tyler_aquilina); Executive Producer: Shana Naomi Krochmal (@shananaomi). Learn more about your ad choices. Visit podcastchoices.com/adchoices