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On today's What to Watch: In a Jack-centric episode of This Is Us, the Pearson family patriarch heads to Ohio for the funeral of his mother, who he saved from his father's abuse years earlier. Doomsday — one of Superman's deadliest and most destructive foes in the comes — arrives on Superman & Lois; and drama doesn't begin to describe the action on the first part of the Vanderpump 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