Scott Haven

Eric and Donna go to the drive-in. Eric doesn't want Kelso and Jackie to go because they'd be competition but Donna invites them anyway. Fez's house parents think he's listening to the devil's music (a copy of Kiss' Destroyer album). Red and Kitty spend the evening out and almost get arrested.

Major Owen Hunt returns to be the head of ER trauma; Meredith finds an old doll her mother gave her when she was 5.

When Francis is left in charge of his brothers, mayhem ensues, and Malcolm gets hurt, requiring hospitalization.

When Grace (Debra Messing) is invited to her ex-fiancé’s (guest star Tom Verica) wedding, she hauls along a reluctant Will (Eric McCormack) just to convey a false air of success - but when she denigrates the bridegroom's faults at the rehearsal dinner, she's confronted by a weeping bride-to-be (guest star Jennifer Aspen) who now wants to flee. Meanwhile, Elliot's (Michael Angarano) fuming mother (guest star Rosie O'Donnell) gets in Jack's (Sean Hayes) face when he allows Elliot to frost his hair and demands that he never see his son again. In addition, Will poses as a swinging tennis pro until he meets his match. Megan Mullally also stars.

When a statue breaks open to reveal a dead woman inside, Jane and Maura must find the killer quickly as the body count begins to rise. Back at headquarters, a new homicide detective is named to the squad. Meanwhile, Dennis Rockmond (recurring guest star EDDIE CIBRIAN) returns to Boston after disappearing on Maura and tries to woo her back, and Lydia (recurring guest star ALEXANDRA HOLDEN) goes into labor. COLIN EGGLESFIELD and DANIELLA ALONSO also guest star.