Whale Wars: A Commander Rises (9pm, Animal Planet) - In a special two-hour premiere of “Whale Wars,” Paul Watson has to step down as captain due to legal troubles, so a new commander must take over to guide the Sea Shepherds' "Zero Tolerance" mission in 2012.
Also on tonight . . .
The Carrie Diaries (8pm, CW) - Carrie reads an ugly rumor about herself in a gossip paper, so Samantha sets out to correct things. Meanwhile, Walt assists Bennet with a situation at work.
The Neighbors (8:30pm, ABC) - Larry's generosity with gifts for Debbie's kids stems from her ruining his Christmas surprise for Dick. Also, Reggie and Amber struggle with finding each other a present that will show their true feelings.
Hawaii Five-0 (9pm, CBS) - A murder attempt on a Pearl Harbor veteran leads Five-0 to use decades old evidence to investigate a deadly crime committed in an internment camp on Oahu during WWII.
Paul McCartney: Something NEW (9pm, VH1 Classic) - The making of Paul McCartney's 2013 album "New" is documented.
Grimm (9pm, NBC) - Two straight hours of "Grimm" tonight. First, a deadly crime wave may be linked to a 100-year-old urban legend. Then, an old Wesen tale of an evil Santa Claus-like creature comes to life when delinquent teens begin disappearing. Merry Christmas!
Raising Hope (9pm, Fox) - Burt wants to be mayor so Virginia can have the honor of plugging in the Natesville Christmas tree, but holding office does a number on Burt's holiday spirit.
Haven (10pm, Syfy) - Season 4 comes to a close with Audrey desperate to track down William in order to sever their ethereal connection.