A bride to be on “Say Yes to the Dress” (TLC, 8 p.m.) rides a mechanical shark on the way to the altar. 

“Wedding Every Weekend” (Hallmark, 9 p.m.) is the latest new movie on a network that has a romance every weekend. It stars Paul Campbell and Kimberley Sustad. 

In the made for TV thriller “Beware of Mom” (Lifetime, 8 pm.), a new neighbor in the cul-de-sac is troublesome. Crystal Allen and René Ashton star. 

An imaginary friend may be a demon on “Believers” (Travel, 9 p.m.). 

Clark Rockefeller and other imposters are examined on “The UnXplained” (History, 9 p.m.). 

“Unidentified: Inside America’s UFO Investigation” (History, 10 p.m.) is concerned about cover-ups. 

Glasses are breaking at “Hotel Paranormal” (Travel, 10 p.m.).

On “Family or Fiancé” (OWN, 9 p.m.), atheism is a problem.

Leroy Luckett is a guest on “Girlfriends Check In” (OWN, 10 p.m.). 

Actor, teacher and director’s consultant Nina Foch is featured on Turner Classic Movies all day with “Fast Company” (6 a.m.), “Escape in the Fog” (7:15 a.m.), “Sombrero” (8:45 a.m.), “Cry of the Werewolf” (10:30 a.m.), “The Dark Past” (noon), “Scaramouche” (1:45 p.m.), “Cash McCall” (4 p.m.), “Executive Suite” (6 p.m.), “An American in Paris” (8 p.m.), “My Name is Julia Ross” (10:15 p.m.), “Illegal” (11:30 p.m.), “The Undercover Man” (1:15 a.m.), “I Love a Mystery” (3 a.m.), and “Young Man with Ideas” (4:30 a.m.). 

The NBA playoffs don’t begin until Monday but there’s a Western Conference play-in game with Memphis vs. Portland (ABC, 2:30 p.m.).

WNBA action has Washington vs. Las Vegas (ESPN, noon), Los Angeles vs. Indiana (ESPN, 2 p.m.) and New York vs. Minnesota (CBS Sports, 6 p.m.).

There is third round play in golf’s Wyndham Championship (Golf, 1 p.m.), CBS, 3 p.m.). 

NASCAR runs its Union 188 (NBC Sports, 3 p.m.).

Dan Auerbach and Shinyribs play an “Austin City Limits” (PBS, 11 p.m.) from 2018. 

The Harry Styles- hosted “Saturday Night Live” (NBC, 11:30 p.m.) is rerun from November.