Dr. Seuss' How the Grinch Stole Christmas, 8 p.m., ABC: We've been feeling sorry for that poor little dog since 1966. Yeah, we know it has a happy ending, but still.
SEASON FINALE The Sing-Off, 8 p.m., NBC: Which of the three finalists will win that recording contract with Sony Music? It doesn't matter one bit, Nick Lachey sniffs to himself.
The Epic History of Everyday Things, 9 p.m., History: Two hours of finding out where things like toothpaste, coffee and mirrors come from.
The Victoria's Secret Fashion Show, 10 p.m., CBS: Come for the supermodels and performances by Nicki Minaj, Kanye West and even Maroon 5; stay for the discussion over whether the $2.5 million Fantasy Treasure Bra is worth the money.
A Muppets Christmas: Letters to Santa, 8 p.m., CW: Convenient that the Muppets are on TV mere days after their new movie premieres. Coincidence? No, no, not at all, actually.
The Grammy Nominations Concert Live!!: Countdown to Music's Biggest Night, 10 p.m., CBS: The nomination show so important it features songs by Lady Gaga, Ludacris, Sugarland and two exclamation points. That's how big it is, y'all.
Santa Claus Is Comin' to Town, 8 p.m., ABC: In a couple more years, kids will watch this and wonder what Fred Astaire's character is supposed to be. He's a mailman, kids.
Finding the Next Earth, 9 p.m., NatGeo: Scientists desperately search the cosmos for a planet much like our own, so that we may get in a rocket ship and ruin things there, too.
SERIES RETURN America's Most Wanted, 9 p.m., Lifetime: Fox may have canceled this series in June after 24 seasons, but Lifetime says they'll take John Walsh, thank you very much.
SERIES PREMIERE Starving Secrets With Tracey Gold, 10 p.m., Lifetime: The Growing Pains star talks about her challenges with anorexia, helping others with eating disorders and forever being associated with Kirk Cameron.