“He Lied About Everything” (ID at 8) Investigative-news producer Benita Alexander reveals her struggle with her deceptive former fiance, world-renowned transplant surgeon Paolo Macchiarini, in Wednesday night’s special. (Anna Klein/Discovery Communications, LLC)/Investigation Discovery)

(All times Eastern.)

2018 Winter Olympics (NBC at various times) Figure skating, Alpine skiing, skeleton, speedskating.

Celebrity Big Brother (CBS at 8) The sixth episode.

Grown-ish (Freeform at 8) Zoey’s fellowship at Teen Vogue is tested when she reveals too much information on social media.

Alone Together (Freeform at 8:30) Esther invites a lesbian couple over, hoping to persuade them to mentor her.

Waco (Paramount at 10) David Koresh waits for a sign from God, but the lack of essentials tests the Branch Davidians.

Premiere

This Close (Sundance Now streaming) This six-episode series is about deaf best friends (Shoshannah Stern and Josh Feldman) exploring different stages of their relationships.

Love Per Square Foot (Netflix streaming) Sanjay and Karina get married for the convenience of being able to afford a home in this movie.

Specials

Relationships Just for Laughs (CW at 8) Comedians, including Kevin James and Mo’Nique, share their thoughts on love.

The Top 14 Greatest Valentine’s Day Movies of All Time (CW at 9) Dean Cain hosts this ranking of the best movies about love and their top moments, from “Sleepless in Seattle” to “The Notebook.”

Late Night

Daily Show (Comedy Central at 11) The “My Super Tweet 16” episode.

Kimmel (ABC at 11:35) Charles Barkley, Chloe Bennet, Monica.

Sarah Polus