Jason Gerhardt

McGee and Bishop head to Afghanistan when a local case is connected to a series of friendly fire deaths overseas. Kasie ventures out of the lab and joins Torres in the field to analyse additional forensic evidence.

The team investigates when a TV producer is murdered; Christine is accused of biting a classmate; Hodgins uses his tools at the Jeffersonian to chemically recreate Finn's hot sauce.

Will is visited by his former teacher, who is ill, and he must make a moral decision. Rhodes disagrees with the father of a young patient about a risky procedure. Meanwhile, an unusual case forces Sarah to recall an old friend's suicide.

When a major event cripples Las Vegas, Gil Grissom, Catherine Willows, and Jim Brass return to help the team; DB and Sara consider the future; Lady Heather returns.

Finlay and DB investigate a bizarre murder scene that has all the hallmarks of a serial killer they apprehended five years ago. To track down the killer, Finlay teams up with an old flame who is in town looking for his missing partner.

The team are brought in when a huge downpour washes up a barely alive man in a storm drain who is discovered to have some very explosive materials in his backpack; Greg finds his professionalism called into question.