What to Watch Saturday: The Doctors Who Mark the Big 5-0, Atlantis Surfaces, Bill Cosby and More

Doctor WhoOn TV this Saturday: Doctor Who‘s anniversary party is surely bigger on the inside, My Little Pony saddles up again, Bill Cosby and Sarah Silverman show the funny, SNL gets Hunger-y and more. Here are 10 programs to keep on your radar.

10 am My Little Pony (The Hub) | One-hour Season 4 premiere: When Princesses Celestria and Luna go missing, Princess Twilight and pals embark on a quest to find them – and wind up battling to save Equestria from being destroyed.

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2 – 8 pm Rectify marathon (Sundance) | If you missed the critically acclaimed six-episode series the first time around, here’s your chance to catch up. The gist: When Daniel Holden (Aden Young) is released after decades on death row, he, his family (including übersupportive sis Abigail Spencer) and his community must figure out how to feel about that.

2:50 pm Doctor Who 50th Anniversary Special: The Day of the Doctor (BBC America) | A murderous plot in 1562 England, a crisis in 2013 London and the conclusion of an ancient battle in space set the stage for this globally simulcast event. (A live pre-show begins at 2:30; an encore airs at 7.) Those on hand for the anniversary include John Hurt, Billie Piper and David Tennant. (Check out a trailer, a video and photos.)

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8 pm Kristin’s Christmas Past (Lifetime) | Shiri Appleby (Life Unexpected) stars as a lonely woman who passes out in a drunken Christmas haze and wakes up in the 1996 holiday season. Can she convince her younger self not to make the mistakes she did? Elizabeth Mitchell (Revolution), Judd Nelson (Suddenly Susan), Hannah Marks (Necessary Roughness) and A.J. Langer (My So-Called Life) co-star; Debby Ryan (Jessie) makes a cameo.

8 pm Window Wonderland (Hallmark) | Two window decorators compete in a department store’s holiday contest. Chyler Leigh (Grey’s Anatomy), Cameron Mathison (All My Children) and country singer Naomi Judd star.

8 pm Bill Cosby: Far From Finished (Comedy Central) | The comedy legend riffs on marriage, love, society… and the way some people reacted when he announced he was doing a 90-minute special for the notoriously irreverent cable channel.

9 pm Atlantis (BBC America) | Series premiere: When Jason (Jack Donnelly, Dancing on the Edge) goes searching for his father, he winds up on the shores of the lost city of Atlantis — and before you know it, his life is in grave danger. Robert Emms (War Horse), Mark Addy (Game of Thrones) and Jemima Rooper (Lost in Austen) co-star. (Watch a sneak peek.)

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10 pm Sarah Silverman: We Are Miracles (HBO) | The comedienne performs for an intimate audience in Los Angeles. Topics covered include: pornography, President Obama and the miracle of existence.

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11 pm Animation Domination Hi-Def (Fox) | In addition to a Thanksgiving episode of Axe Cop and a student-council election on High School USA!, tonight’s mix includes preview episodes of Lucas Bros. Moving Co. (from twin comedians Kenny and Keith Lucas) and Golan the Insatiable (in which a scary godlord from another dimension is trapped in a small town and befriended by a macabre little girl).

11:30 pm Saturday Night Light (NBC) | May the odds ever be in your favor, first-time host Josh Hutcherson (Hunger Games: Catching Fire) and musical guest Haim.

Hit the comments with your must-see picks from tonight’s lineup!