What to Watch on Saturday: Casey Affleck, Chance the Rapper on ‘SNL’

My Christmas Love (8 p.m., Hallmark) – A hopeless romantic begins receiving gifts from “The 12 Days of Christmas” from an anonymous suitor. Stars Meredith Hagner, Bobby Campo and Gregory Harrison.

Pentatonix Christmas Special (8 p.m., NBC) – In a repeat from earlier this week, Pentatonix performs holiday favorites with guests Reba McEntire and Kelly Clarkson.

Pit Bulls and Parolees (9 p.m., Animal Planet) – Tia receives an adoption email that prompts a cross-country trip to find a dog a special home in time for Christmas.

Project Grizzly (10 p.m., Animal Planet) – As the bears’ re-wilding journey nears its end in the season finale, Jeff has one more lesson to teach: fear of humans.

Saturday Night Live (11:30 p.m., NBC) – Casey Affleck (“Manchester by the Sea”) hosts with musical guest Chance the Rapper.