The team must set aside their current personal affairs when an anonymous hacking collective seizes control of military aircraft and warships belonging to U.S.

Team Scorpion discovers a nuclear submarine belonging to the United States has also been hacked by the anonymous hacking collective.

After he is launched into space by accident, Walter experiences hallucinations about Paige as his oxygen levels become critically low.

Ralph's classmate goes missing on a field trip following an accidental encounter with a dangerous criminal; Toby gets close to learning who Happy's husband is.

Events take an unexpected turn at the Los Angeles Natural History Museum when a seemling-simple task leads Team Scorpion to discover a robbery in progress.

Team Scorpion is tasked with breaking into a cave system before Halloween to prevent bats from wreaking havoc on the North American ecosystem.

The team suspects a kidnapper has struck again after three children go missing while riding their bicycles on a path where another child went missing years ago.

The BAU team launches an investigation to help Dr. Tara Lewis after a man who claims to be her brother turns up with knowledge about both her and her family.

The BAU travels to Yakima, Wash., to investigate following the discovery of 12 people's remains along a river bed; veteran profiler Stephen Walker transfers.

Rossi spends his birthday teaching a course on criminal profiling when he is contacted by Tommy Yates with information about his latest victim.

When some upper-class neighborhoods start to experience as series of robberies and murders, the BAU team is tasked with figuring out the cause of the invasions.

A strange hieroglyph found under a deceased homeless man's armpit connects back to casualties from years earlier; Reid takes his mom out of the clinical study.

The BAU team has difficulty identifying multiple victims when the team brought in to help catch a killer who is responsible for decapitating several men.

The BAU team calls upon the International Response Team to help them find and save one of their own, who wakes up in a dire situation in Mexico.

The New Orleans team is put on a case while taking part in the annual Red Dress Run after a Navy Petty Officer is found dead from a drug overdose.

Special Agent Brody's mother works with the NCIS: New Orleans team to track down a stolen heart that was intended for a brilliant Navy coder.

Pride and Sonja are attacked while returning to New Orleans from Texas during a mission to escort a key witness in the trial of a notorious arms dealer.

As a city-wide blackout causes problems for law enforcement officials and emergency response teams in New Orleans, Pride sets out to investigate a murder.