The Challenge: All Stars crowns winner, John Cena's Peacemaker debuts

On today's What to Watch: After first debuting in The Suicide Squad movie, John Cena's spin-off series Peacemaker debuts on HBO Max — his costar Steve Agee tells us about working with the pro wrestler-turned-actor. The Challenge: All Stars 2 wraps up with one of the most intense finales ever — finalists MJ and Jonna tease the action. And Josh Gad and Isla Fisher star in the new series Wolf Like Me. Plus, entertainment headlines — including SAG Award nominations, musical guest switcheroo at SNL, and a new Fox series getting pushed just weeks before its debut — and trivia. More at ew.com, ew.com/wtw, and @EW. Host: Gerrad Hall (@gerradhall); Editor/Producer: Joshua Heller (@joshuaheller); Writers: Tyler Aquilina (@tyler_aquilina) and Calie Schepp; Executive Producer: Shana Naomi Krochmal (@shananaomi). Learn more about your ad choices. Visit megaphone.fm/adchoices