Merry Krampus! The detectives track a vicious alligator Wesen, then Nick battles the legendary Krampus.
Don't miss the special encore performance of the live show starring Carrie Underwood.
Kings of Leon perform. Catch up on the latest with Paul Rudd and One Direction online.
The Top 3 give their all for a chance to be named The Voice of Season 5.
The seven remaining groups go head-to-head using only the power of their voices.
Air Date: 12/12/13
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