The Son (9 p.m., AMC) – In the Season 1 finale, the tribe faces an unexpected return. Also, Eli’s plan for the future forces Pete into a life-or-death decision about his loyalties.

Also on tonight . . .

My Cat From Hell (8 p.m., Animal Planet) – Jackson Galaxy helps a young man who has a genuine fear of cats. Also, Jackson returns to Colorado to help his favorite kitten from last week’s big Los Angeles rescue, so that she can stay in her new adoptive home.

The Wrong Neighbor (8 p.m., Lifetime) – In this movie, a deranged woman becomes obsessed with a recently separated man and his daughter. Another movie, “Mommy’s Prison Secret,” airs at 10.