"Blake Shelton's Not-So-Family Christmas"
SPECIAL. Country singer/"The Voice" troublemaker Blake Shelton celebrates an unconventional Christmas with a few of his famous friends, including wife Miranda Lambert, Kelly Clarkson, Christina Aguilera and Jay Leno.
10 p.m., NBC
DRAMA. Castle and Beckett's first Christmas together is spoiled by a Santa who drops dead. Nothing a kiss under the mistletoe can't fix, we think.
10 p.m., ABC
DRAMA. The 90210-ers celebrate 100 episodes with a high school reunion at West Beverly — and a party at the Playboy Mansion. Because hey, why not?
8 p.m., The CW
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DRAMA. In the show's 150th episode, Cyndi Lauper guest stars as a psychic who helps the team when they realize the soul of a boy whose death they're investigating is not at peace. Perhaps she serenades him over to the other side?
8 p.m., Fox