Tammy Dahlstrom

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.

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 team look into a case involving the kidnapping of multiple women, one of whom was never reported missing.

Frankie is mistaken for a fully fledged dentist; Axl and Sue ditch school for the day; Mike and Axl's fishing trip goes awry.

Cuddy gives some of her day-to-day responsibilities to Cameron; the team take on the case of a teacher who collapsed after spitting up blood during a class.

Joan and John attempts to smuggle their dog on the plane to Matt and Colleen's Mexican wedding. Meanwhile, Greg and Jen's parenting skills are challenged by another couple.