NCIS: Los Angeles
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On NCIS: Los Angeles Season 6 Episode 21, Sam and Callen are surprised to find an old acquaintance they thought had been murdered is very much alive and looking for help.
On NCIS: Los Angeles Season 6 Episode 20, when a white supremacy group is suspected of having nuclear material, Callen and Sam go undercover as a guard and prisoner.
On NCIS: Los Angeles Season 6 Episode 19, when a missile is sent off course during a missle test, the team investigates and a young computer specialist is brought in.
On NCIS: Los Angeles Season 6 Episode 18, the team hunts for the person who set an explosion that killed three FBI agents and Kensi and Deeks are assigned new partners.
On NCIS: Los Angeles Season 6 Episode 17, an Afghan soldier is killed and two of his fellow soldiers go missing after coming to the United States to train.
On NCIS: Los Angeles Season 6 Episode 16, the team enlist the help of Thapa, the elite Nepali soldier to help locate the person who shoots Sam.
On NCIS: Los Angeles Season 6 Episode 15, when Sam and Callen head off to follow up on a lead and disappear, the team realize it must have been the work of terrorists.
On NCIS: Los Angeles Season 6 Episode 14, Sam and Callen go undercover as food truck operators to track down the source of an anthrax poisoning.
On NCIS: Los Angeles Season 6 Episode 13, after a U.S. ambassador narrowly escapes a terrorist attack, Callen and Sam are sent to obtain key evidence on a dangerous mission.
On NCIS: Los Angeles Season 6 Episode 12, while undercover, Callen ends up in the middle of a hostage situation where terrorist have rigged the building with explosives.