What to Watch on Saturday: A ‘Christmas Icetastrophe’ and Amy Adams on SNL

Christmas Icetastrophe (9 p.m., Syfy) – A meteorite brings with it ice and freezing temperatures, which threaten to harm the residents of a small town at Christmastime.

Also on tonight . . .

I Want a Dog for Christmas, Charlie Brown (8 p.m., ABC) – Linus and Lucy’s little brother, ReRun, tries to avoid the Van Pelt family’s holiday chaos by hanging with Snoopy and Snoopy’s brother Spike.

Back to Christmas (9 p.m., ION) – Suddenly the Saturday before Christmas, Hallmark and Lifetime just stop with the new holiday movies – but ION has you covered (as does Syfy, if you like a little catastrophe in your holiday flicks): A woman travels one year back in time to the Christmas before her broken engagement and tries to repair what went wrong.

Saturday Night Live (11:30 p.m., NBC) – Amy Adams hosts with musical guest One Direction.

Also of note: “The Wizard of Oz” at 7:45 p.m. on TNT; “Dr. Seuss’ How the Grinch Stole Christmas” (Jim Carrey version) at 8 p.m. on ABC Family; “The Santa Clause 2” airs at 8 p.m. on AMC; “Home Alone” airs at 10:30 on ABC Family; “White Christmas” at 10:30 p.m. on AMC