In a follow up to last season’s “Peter” flashback episode, the all-new “Six Months Later” episode revisits a poignant period of time for both the Bishops and Olivia.

The CBI team is under suspicion when a museum antiques dealer is murdered. Evidence seems to suggest that one member of the team is responsible.

The CBI team is under suspicion when a museum antiques dealer is murdered. Evidence seems to suggest that one member of the team is responsible.

After Phil and Claire have a huge fight, Gloria steps in to counsel Phil while Jay counsels Claire. Jay has some regret in buying Gloria a karaoke machine. Cameron is in full prep mode for a huge fund-raising event and asks Mitchell and Luke for help.

A series of Fringe events leads the team to the home of a woman grieving over the death of her husband, while Peter and Olivia make an effort to repair the emotional rift between them.

When Pierce lands in the hospital, he believes he’s dying and gives the study group specific gifts that are actually meant to torment them. Britta wonders what to do with a blank check for « charity, » Jeff ponders the idea of meeting his father, and Troy gets to meet LeVar Burton, while Abed films the whole thing for a documentary.

Claire and Cameron are dismayed by the guest list for Lily’s princess-themed birthday party. Then DeDe attends with Claire’s old high school boyfriend in tow. Jay and Gloria turn to their own unique methods of dealing with this gathering of misfits.

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.