David L. King

The team investigate after the Los Angeles blood supply is hacked and tainted, which leaves a young girl, who is in need of a heart transplant, in peril.

The BAU team investigates the abductions of young children with troubled mothers in St Louis. Rossi reconnects with his first wife, who has shocking news for him.

Schmidt pushes Jess to go out with her workout partner after she declares she would like to begin dating again; Cece's hiring of a buff bartender prompts Nick to try and understand male beauty; Winston receives a confidence boost.

After the body of a marine lieutenant is found hidden under an 18-wheeler, the team track the vehicle's previous locations to pinpoint the crime scene and suspect; Sloane encourages the team to sit down and talk about Ziva's recent reappearance.

Sue forgets to renew her financial aid and gets kicked out of university; Brick learns how to swallow a pill for his ear infection; Axl angers Hutch after borrowing the Winnebago without permission.

The team investigate when a psychology professor known for his controversial social experiments is found dead; Brennan works with Aubrey.