Explosive Grey's Anatomy & Station 19 crossover event

What To Watch

On today's What to Watch: Station 19 and Grey's Anatomy stage a massive crossover event, where an explosion rocks a Seattle neighborhood — and not all of the show's characters may survive; The Challenge returns with a new season of All Stars, and alum Tyler Duckworth tells EW why he returned after more than a decade away from the competition; and go inside Paris Hilton's upcoming wedding in the docuseries Paris in Love. Meet the Press Reports host Chuck Todd tells us about the show's annual film festival and what he's watching. Plus, entertainment headlines — including first looks at the second Downton Abbey movie, Adele's CBS special, and Pete Davidson roasting the Jonas Brothers, plus the big winners from the CMA Awards — 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).

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