What To Watch: Supernatural Series Finale, Million Little Things Returns, Fresh Prince Reunion And More

Adventure Time: Distant Lands

In "Obsedian," Marceline and Princess Bubblegum face demons from their past as they fight a reawakened enemy in the Glass Kingdom. (Watch trailer.)

The Fresh Prince of Bel-Air Reunion

Will Smith reunites with Tatyana Ali (who played Ashley), Karyn Parsons (Hilary), Joseph Marcell (Geoffrey), Daphne Maxwell Reid (Aunt Viv No. 2), DJ Jazzy Jeff (Jazz), Alfonso Ribeiro (Carlton) and Janet Hubert (OG Aunt Viv). (Watch trailer.)

I Hate Suzie

Stateside premiere (all eight episodes): Billie Piper headlines this UK dramedy as an actress whose life is turned upside down by a hacked mobile.

The Princess Switch: Switched Again

Film premiere: Vanessa Hudgens plays not one, not two, but three characters in this festive sequel. (Watch trailer.)

Selena + Chef

In a Friendsgiving special, Gomez and chef Aarti Sequeira elevate classic American dishes with Indian flavors, including tandoori butter turkey breast.

Trolls: Trollstopia

Series premiere (all 13 episodes): Poppy invites delegates from every troll tribe to live together in perfect harmony; voice cast includes Skylar Astin (Zoey's Playlist), Kenan Thompson (SNL), Jeanine Mason (Roswell NM), Megan Hilty (Smash) and Kat Graham (Vampire Diaries).

Jersey Shore: Family Vacation

Season 4 premiere (two episodes): The girls are at odds following Angelina's wedding; Paulie's roommates discover that he's not quarantining alone.

Superstore

Dina gets the chance to run the store; Jonah is excited about an opportunity; Garrett and Cheyenne search for a mysterious smell. (Who's returning?)

B Positive

Drew is forced to tell his family the truth about his condition after Gina blurts out the news to Drew's ex-wife Julia.

Grey's Anatomy

While Meredith "visits" with Derek, Link operates on a sex therapist and Maggie takes comfort in Winston's virtual presence. (How did they keep Patrick Dempsey's return a secret?)

Law & Order: SVU

Rollins and Kat respond to a domestic violence call, while Fin gives his deposition in the case against him. (Which ADA is returning?)

Supernatural

Series finale: "Baby, it's the final ride for saving people and hunting things." (A series retrospective airs at 8 pm; revisit our Finale Week coverage.)

The Unicorn

Wade must come to terms with Shannon's unusual living arrangements. (Season 2 premiere earned an average reader grade of "A-.")

A Million Little Things

Season 3 premiere: Katherine leans on friends after Eddie's accident; Rome and Regina face a decision; Gary navigates his relationship with Darcy.

♦ ON THIS DAY IN TV HISTORY ♦
On Nov. 19, 1999, IRS agent John Carpenter became the first million-dollar winner on the U.S. version of Who Wants to Be a Millionaire? (Do you remember how he used his Phone-a-Friend?)