(All times Eastern.)
Supergirl (CW at 8) Supergirl finds out that a part of Krypton survived.
The Crossing (ABC at 10) An unlikely suspect is arrested after a discovery is made.
Who Do You Think You Are? (TLC at 10) Megan Mullally explores her family history.
The Lost Kingdom of the Yeti (Animal Planet at 8) Scientist and yeti hunter Mark Evans goes into the Himalayas to search for the creature.
Dead North (ID at 9) Police chief Laura Frizzo uncovers a female serial killer while investigating the case of a missing man, Chris Regan.
Elizabeth Shoaf: The Girl in a Bunker (Lifetime at 10) Shoaf tells the story of her kidnapping.
John McCain: For Whom the Bell Tolls (HBO at 8) A profile of the Republican senator from Arizona and his influence on U.S. politics.
Girl in the Bunker (Lifetime at 8) Based on the true story of Elizabeth Shoaf, who was abducted by Vinson Filyaw on her way home from school in 2006.
Cults and Extreme Belief (A&E at 10) Elizabeth Vargas investigates how members of organized sects use their influence to prey on people.
Street Outlaws (Discovery at 8) Season 11.
Man v. Food (Travel at 9) Season 6.
American Chopper (Discovery at 10) Season 11.
Six (History at 10) Season 2.
Vanderpump Rules (Bravo at 9) Never-before-seen footage from Season 6 is shown on “Secrets Revealed.”