Dianna Catterton

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

Bob goes undercover as a teacher after children of government officials and foreign nationals are taken hostage, and Lissy's crush on a boy at school leads to big trouble.

When Polly hurts her back training for a 5K and becomes confined to the couch, her parents step in to take care of Natalie. Elaine finds herself in an awkward situation with Natalie's classmates when they ask her to explain heaven and religion. Meanwhile, Max and Elaine encourage Julian to give Polly some space.