A pair of DC cartoon dynasties join forces in the animated TV movie “Teen Titans Go! & DC Super Hero Girls: Mayhem in the Multiverse” (Cartoon Network, 6 p.m.). They are motivated by the act that Lex Luthor has united the world’s supervillains.
M. Night Shyamalan’s “Old” (HBO, 8 p.m.) the thriller about rapid aging at the beach starring Gael Garcia Bernal, Thomasin McKenzie and Abbey Lee, makes its premium cable debut.
“Planet Earth: Dynasties II” (BBC America, 8 p.m.) follows an elephant herd.
A special episode reviews some of the many animal adoptions by “Dr. Jeff: Rocky Mountain Vet” (Animal Planet, 8 p.m.).
The Canadian medical drama “Transplant” (NBC, 8 p.m.) returns with a pair of episodes.
An old ex-boyfriend starts stalking a newly married woman in the made-for-TV thriller “I Won’t Let You Go” (Lifetime, 8 p.m.) starring Paniz Zade and Luke Humphrey.
“Renovation Goldmine” (HGTV, 8 p.m.) works on a Tudor-style home.
The Kreischer Mansion in Staten Island is featured on “Portals to Hell” (Travel, 10 p.m.).