While Robert and Kitty visit a fertility clinic, Rebecca and Justin decide to have DNA tests to see if they really are related.

Phil and Claire break from their traditional Valentine’s Day dinner date and plan a little “role play” excursion. Meanwhile, Jay and Gloria’s ideas of romance clash when he takes her…

When the bodies of two seemingly unrelated victims are found just hours apart in San Diego and Los Angeles respectively, the BAU suspects that that not one, but two killers…

The BAU hunts a stalker in San Diego who is targeting college students. Meanwhile, the team comes under Strauss’ scrutiny in the wake of the loss of Prentiss.

Cameron postpones her vacation with Chase in order to ask House to accept the case of an environmental radical who collapsed at a protest with unexplainable symptoms. Although suspicious of…