Secrets of Playboy, EW's ranking of the Best TV Theme Songs

On today's What to Watch: In the A&E docuseries Secrets of Playboy, former Playmates, close friends of Hugh Hefner, and more reveal what it was really like behind the scenes of the company and famous mansion — including cover-ups of violence and exploitation. Christine Baranski and Cynthia Nixon star in the new HBO series The Gilded Age, from Downton Abbey creator Julian Fellowes; and season 3 of Snowpiercer debuts with a second train on track to possibly find warmer weather — and series star Daveed Diggs tells us what he's watching. Plus, entertainment headlines — including Spider-Man vs. Scream at the box office, and what one former Jeopardy! champion says is hurting the show — 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