Tammy Dahlstrom

As Adele's condition deteriorates, Richard considers making a change; an explosion at a coffee shop results in a busy ER; Callie helps Meredith study; Lexie helps Alex and Arizona care for an intern's premature baby.

The BAU fly to Colorado when the locals receive a blast from the past and find a rotting skull inside a time capsule buried 25 years ago.

Another couple upstages Greg and Jen's parental skills when they take Lark on her first aeroplane trip. Joan and John try to smuggle their dog onto the plane. Matt and Colleen miss their flights.

Axl convinces Sue to ditch school.

A case involving the abduction of several women becomes personal for the red cell team when one of the victims, `Jane Doe' is never reported as missing.