Doug Simpson

As the BAU investigates targeted killings in Tampa, they also deal with their own feelings about the loss of Prentiss.

Meredith, Derek, Cristina and Arizona receive big news regarding the plane crash lawsuit, Richard avoids Catherine’s romantic advances and Jackson takes on one of Mark Sloan’s old patients. Meanwhile, Derek begins recovery on his hand.

On the season finale, Castle and Beckett's long-awaited wedding is almost here, but when a shocking surprise threatens to ruin the big day, they are sent on a wild mission filled with masked men, angry bikers and a charming ne'er-do-well from Beckett's past.

Dre schools Andre Jr. in the art of "Playing The Dozens," trash talking someone into submission, after he's intimidated by a bully at school, but he succeeds a little too well with his plan; Bow struggles with sleep deprivation when Diane develops a fear of the dark.

When a patient's father and partner can't agree on his health care, Pete makes a decision; Jake suspects Amelia is being tempted to substance abuse; Addison and Sam have difficulty defining their relationship.

Daisy decides she will rescue Simmons, even if it means risking everything to do it.