Claire has overdone it in Halloweens past and the neighbours definitely don't share her enthusiasm, so this year she's being forced to tone it down and keep it kid friendly.
Phil and Claire return from a long reunion weekend with Phil's buddies, but Claire takes the only first seat class on their flight home. Jay teaches Manny how to defend himself against a bully.
The CBI team heads out to wrangle suspects in a run-down Wild West tourist town when the owner is found dead. Meanwhile, Kirkland tries to find out how much Patrick knows about Red John.
After a suicide bomber tries to assassinate the Belgravian Defense minister, the team must protect his daughter, who is studying in the U.S.; Gibbs looks into the death of a Marine who was killed in the bombing.
The murder of a robotics engineer may be connected to his groundbreaking secret research in teleportation; detective Bell is shut out of a required class he needs to complete his degree and join the U.S. Marshal Service.