RHOBH reunion kicks off, Michael Keaton stars in Dopesick

On today's What to Watch: Michael Keaton tells us why he couldn't turn down his return to TV with Hulu's Dopesick, about Purdue Pharma's role in America's opioid epidemic and also starring Rosario Dawson and Kaitlyn Dever; the four-part Real Housewives of Beverly Hills reunion kicks off, and all eyes and questions are on Erika Girardi; season 3 of Batwoman premieres on The CW. Liza on Demand star Liza Koshy tells us what she's watching. Plus, entertainment headlines — including first looks at The Flash, the Conners wedding, Robin Givens on Head of the Class reboot, and another Walking Dead series — 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 megaphone.fm/adchoices