Jules, not wanting to spend Valentine's Day alone, turns to Grayson to keep her company when everyone else makes plans. Meanwhile, Bobby and Jules take different sides when Travis asks to go to a party where they know he will be drinking; Ellie tries to prove she is the alpha dog, not Grayson; and Laurie meets Smith's father.

A serial killer who targets random victims in highly visible places to create a sense of public fear is the subject of a BAU investigation.

Jessica Biel; Christoph Waltz; Josh Turner; ``Survivor'' contestants.

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 to a comedy show, and Mitchell and Cameron play cupid for Manny.

Stephen profiles Chicago's 5th district, and Claire Danes discusses her role as Temple Grandin.

Episode info coming soon ..

Valentine's Day unexpectedly finds Frankie and Mike home alone and ready for a romantic evening while Brick is away at his first sleepover, Sue goes to her first boy-girl party, and Axl has a big date night planned with some friends. But Cupid's arrow doesn't exactly hit the target, and the best laid plans soon begin to unravel.