20/20: In An Instant (9 p.m., ABC) – In an episode entitled “Whiteout,” a blizzard traps a young couple and their newborn son in the desolate Nevada wilderness for eight days.
Also on tonight . . .
My Cat From Hell (8 p.m., Animal Planet) – To save the lives of 50 kittens from Los Angeles shelters, Jackson Galaxy takes the orphans to his old stomping grounds in Boulder.
Daughter for Sale (8 p.m., Lifetime) – A runaway teenager is kidnapped by sex traffickers, so her mother, a judge, has to find and rescue her before they ship her overseas and sell her into slavery.
The Son (9 p.m., AMC) – Young Eli must trust a strange ally to survive, and Eli’s past guides him to a choice that puts him and Phineas at odds.