Tuesday television

“2018 Winter Olympics” 8 p.m. NBC — Figure skating, women’s alpine skiing, men’s snowboarding.

“The Bachelor Winter Games” 8 p.m. ABC (new series) — Twenty five bachelors and bachelorettes from around the world meet in the streets of Manchester, Vt., for a grand celebration of unity and love.

“We’ll Meet Again” 8 p.m. GPB — Dramatic reunions between people whose lives intersected on 9/11.

“Black Lightning” 9 p.m. the CW — An unexpected phone call unearths the longburied need for Jefferson to investigate the murder of his father.

“20/20” 10 p.m. ABC —A look at romantic movies such as “27 Dresses” and “My Big Fat Greek Wedding.”