Will and Diane take on a defamation case from a young Internet billionaire, who is suing the film studio for depicting him in a negative light. Alicia confronts Will about the message he left on her voice mail.

Will and Diane take on a defamation case from a young Internet billionaire, who is suing the film studio for depicting him in a negative light. Alicia confronts Will about the message he left on her voice mail.

Anna, enraged at the increasing audacity of the Fifth Column attacks, enlists Ryan in an attempt to wipe out the Fifth Column in one fell swoop. Meanwhile, Father Travis, following Vatican orders, asks Jack to leave the church, and Lisa meets Diana, her grandmother — who Anna said was dead — for the first time.

Barney declares February 13th a holiday for desperate women. Marshall receives a Valentine’s Day surprise from Lily. Zoey and Ted work on figuring out their relationship.

When a witness under Van Pelt’s protection is killed, her position within the CBI comes into question.

Troy and Abed compete for the attentions of the college librarian, while Britta strives to be progressive and befriends a fellow female student whom she believes is gay. Meanwhile, Jeff finds himself reluctantly hosting an impromptu party at his apartment when Professor Duncan invites himself over to watch a soccer match.

Claire and Phil decide to reprise their role-playing adventure from last year’s Valentine’s Day. Jay’s surprise plans for Gloria keeps getting interrupted. A secret admirer comes between Cameron and Mitchell.

Axl has a new girlfriend he wants to impress on Valentine’s Day, while Brick has a crush on a fellow student and Mike accidentally lets the news slip out, humiliating his shy son. Elsewhere, Sue searches for a boy she kissed on a Halloween hayride.

When an old friend of June’s late husband shows up at Neal’s doorstep, Neal suspects he’s looking for more than a trip down memory lane.

When an old friend of June’s late husband shows up at Neal’s doorstep, Neal suspects he’s looking for more than a trip down memory lane.