Jason Gerhardt

The Jeffersonian team investigates the murder of a TV producer. Meanwhile, Brennan has trouble accepting the fact that Christine might be an “average” child, when her daughter gets accused of biting another classmate. Then, Hodgins uses all of his tools at the Jeffersonian to chemically recreate Finn’s (guest star Luke Kleintank) special hot sauce.

McGee and Bishop travel to Afghanistan after a murder case in the states is linked to a string of soldiers killed by friendly fire overseas. Also, Kasie leaves the lab and accompanies Torres into the field to process additional forensic evidence.

Will (Nick Gehlfuss) is troubled with a moral decision when his former teacher, Dr. Bella Rowan (guest star Jean Moran), is faced with a life-threating disease. Dr. Rhodes (Colin Donnell) and Dr. Bardovi (guest star Shiri Aljadeff) get involved in a sensitive situation when Rhodes disagrees with the father of a young patient regarding a risky procedure. Dr. Charles (Oliver Platt) and Sarah (Rachel DiPillo) handle an unusual case with a pilot that causes Sarah to have memories of Jason Wheeler's suicide. Maggie (Marlyne Barrett) takes an aggressive approach to training a new nurse. S. Epatha Merkerson, Yaya DaCosta, Brain Tee and Torey DeVitto also star. Lorena Diaz, Tosin Morohunfola, Mekia Cox and Patti Murin guest star.

Grissom and Willows return to help the CSI team solve a catastrophic case that paralyzes all of Las Vegas, on the special two-hour series finale.

Finlay must deal with a bomb planted in her car, while Russell gets a call from someone claiming to be the Gig Harbor killer. Mark-Paul Gosselaar guest stars as twins Jared Briscoe and Paul Winthrop, and Mark Valley guest stars as Detective Daniel Shaw.