The investigation takes the team to Moscow where they must work undercover on the season finale of NCIS: Los Angeles. "Chernoff, K." is the 24th episode of the show's sixth season.
The case of a sniper on the run brings Kensi's past to the forefront on NCIS: Lost Angeles. "Field of Fire" is the 22nd episode of the show's sixth seaosn.
Kensi and Deeks help investigate a possible breach of America's economic sanctions against Russia on NCIS: Los Angeles. "Beacon" is the 21st episode of the show's sixth season.
An explosion kills three FBI agents who just completed and undercover mission on NCIS: Los Angeles. "Fighting Shadows" is the 18th episode of the show's sixth season.
Sam and Callen are kidnapped when they follow up on a lead on NCIS: Los Angeles. "Forest For the Trees" is the 14th episode of the show's sixth season.
Sam and Callen are sent on a dangeorus mission to find a key piece of evidence on NCIS: Los Angeles. "In the Line of Duty" is the 13th episode of the show's sixth season.