The International Response Team travels to Russia when an American ballerina is kidnapped; Jack tangles with an ex-KGB agent who escaped from prison.
The International Response Team searches for the killer of a woman who was on a yoga retreat in Nepal; Monty goes on his first international mission with the team.
When the body of an American singer is found on a rural road in the Blue Mountains of Jamaica, the team is called to investigate.
The team travels to Taiwan where a serial killer Clara pursued 16 years earlier -- with the help of the BAU's Emily Prentiss -- appears to be killing again.
An American visiting Greece to get more involved in his family's business is found beaten in a rough part of Athens; Jack struggles with having to tell his wife where their son is.
A night of partying ends badly for an American in Tijuana; Jack comes across his son working undercover with the Mexican cartels.
The International Response Team investigates when two American flight attendants go missing in Singapore.
The International Response Team investigates when two American entrepreneurs disappear while conducting business in Bangladesh.
The team heads to South Korea to investigate a case concerning a disfigured American college student; Simmons fulfills his mother's last dying wish to find his grandmother.
The International Response Team investigates the apparent suicide of an American in Colombia who emptied his bank account prior to his death.
The International Response Team is called to investigate two murders that appear to resemble the MO of the most notorious killer in Italian history.
Unit Chief Jack Garrett and his international response team are called to Tanzania when a 23-member church group disappears.
The team investigates when an American woman trying to adopt a child in Haiti is kidnapped; Jack and Karen prepare to send their daughter to college.
The team travels to Pamplona, Spain, for the running of the bulls, where the ears of a missing American tourist are found.
The International Response team heads to Cuba when American bodies are found in different locations throughout the island nation.
In Johannesburg, an American college student is killed and his brother disappears; Jack works the case with a profiler who has an unconventional style of investigation.
The International Response Team suspects an American girl is in danger after being tricked by someone posing as her boyfriend and asking her to meet him in Turkey.
While visiting Mexico with her family, a woman becomes a victim of foul play; when the International Response Team investigates the woman's husband, he flees, making him the prime suspect.
The International Response Team heads to Casablanca after a retired couple is kidnapped while visiting Morocco on a cruise.
Believing a honeymoon couple may have been abducted, the team heads to Belize to investigate the disappearance.
The International Response Team travels to Paris to search for an unsub who is targeting Americans who live there.
In Japan, the team helps local law enforcement investigate a string of homicides that have been made to look like suicides; Mae encourages Clara to take time to have fun.
The team heads to Cairo when a former U.S. serviceman is killed in a gas attack and his friend goes missing.
When an American visiting Mumbai wakes up missing a kidney, the investigation leads the team to suspect the UnSub is up to more than trading organs on the black market.
The International Response Team investigates when three American volunteers go missing in Bangkok; cultural anthropologist Clara Seger helps gather evidence before a storm washes it away.