John Thaddeus

The BAU team must profile a serial killer covered in tattoos who commits suicide, but leaves clues to the whereabouts of his last victim. Green Bay Packers wide receiver Greg Jennings guest stars as an evidence tech at a crime scene, and Dean Norris ("Breaking Bad") guest stars as Detective Barton.

Determined to recover millions of dollars worth of stolen Iraqi art, DiNozzo must go undercover and help a prisoner escape from a military detention centre, unaware that the man he is helping may also be a dangerous killer.

The crew of the Serenity are forced to seek help from the Alliance when Book is critically injured in a firefight.

In an effort to relieve his pain over Tia, Alan goes with Denny to do some fly-fishing and relaxing in British Columbia, where they learn that fish are being threatened by sea lice.

The murder trial of Kelly Nolan (Heather Locklear) gets under way amid a media circus; Malcolm Holmes (Rupert Everett) tries to persuade Tara to help him get a court order allowing his client to sing his uncle's trademark song.

Shirley, Denny and Paul represent a congressman who is accused of failing to keep promises following a re-election.