With Timur stirring the pot, Serkan comes to a decision about the deal — and Leyla. Bob’s uneasy arrangement with Ferry comes to a crashing halt.

Andrew is shocked when fellow undercover agent Malcolm arrives with Lynn, River describes The Highest’s mounting paranoia and violence, and Ruth needs Joan’s help to fake a pregnancy.

The CEO and President of 7-Eleven, Joe DePinto, goes undercover in his own company where he discovers that one of his corporate policies has not been implemented on the frontlines…

In order to bring down a Russian mobster running an international prostitution/kidnapping ring disguised as a Russian bride website, Cragen steps from behind the desk to go undercover as a…

Sam and Callen go undercover as firefighters when top secret information about suspected terrorists is stolen from a secure Department of Defense container at the site of a fire.

A 20-year-old Peruvian massacre is investigated after a famous fashion model, believed to be one of the survivors, becomes a potential target. Kensi goes undercover as the model’s assistant, while…

After a botched carjacking turns out to be something much bigger, Voight’s unit goes toe-to-toe with a smart drug kingpin who only works with women. New recruit Vanessa Rojas struggles…

When an unstable detective returns to the Nine-Nine after years undercover, Jake doesn’t know what to make of him. Meanwhile, Charles’ rebellious behavior pits him against the precinct’s custodian, and…

Still in prison, Oliver faces his biggest challenge yet. Meanwhile, Felicity gets an intriguing offer, and Diggle asks Curtis to go undercover for ARGUS.