The BAU heads to Nevada to catch an UnSub who drowns his victims.
While Francis sets his sights on China, Claire must revisit her past.
Francis must face being questioned by a Special Prosecutor. Meanwhile, Stamper must face some truths and Remy Danton attempts not to choose sides.
In the 100th episode we go back to see how Lisbon and the team first met Jane.
The NCIS team has a surprise in store for them when investigating the murder of a Navy lieutenant leads them to McGee's grandmother.
The General works to regain Scylla.
T-Bag gets a new partner.
Michael and Lincoln have an important meeting.
Nick is surprised when his father refuses to do the Christmas festivities in the house, and he decides to find a way to learn why. Physical Phil continues his tradition of pretending to be an architect when his parents come for a visit, which irritates his girlfriend. Eddie freaks out when Janet gives him a very personal Christmas gift. Owen and Alison end up in bed, but their happiness as a couple is soon put to a test.moreless
When an alien attaches itself to B'Elanna's nervous system, the Doctor enlists the help of a holographic recreation of an expert. However, when B'Elanna learns that the expert is a Cardassian that performed immoral medical experiments during the occupation, she refuses treatment.