A drug deal with a new associate leaves Ferry and John on edge. Bob and Kim feel the effects of their forced closeness. Danielle breaks into her stash.

The president and CEO of UScellular goes under cover to see how his new endeavors for brand growth are operating.

Colie Edison, chief customer officer of Bowlero Corp and CEO of the Professional Bowlers Association, works to spare the customers from waiting too long when checking them in to bowl,…

Michael G. Rubin, Chairman, President and CEO of GSI Commerce, the e-commerce giant behind numerous top U.S. retailers, goes undercover in his own company, where he discovers that rushing through…

When newly-elected Sheriff Jonathan W. Horton takes office and finds his jail in dire need of reform, he enlists the help of seven innocent civilians to go undercover as inmates…

Undercover program is put as risk when Jeff is attacked.; Zac and Isaiah move to the D-pod wing and Robert returns to general population. Tami’s wife makes a surprise visit…

Sheriff Jamey Noel sends seven volunteer civilians into jail to serve as undercover inmates.

Sheriff Jamey Noel adds two more members to his undercover team, Isaiah and Maryum. Undercover inmates try to adjust and fit in, while some question their decisions to be there.

Two Baltimore cops rob criminals, sell confiscated drugs, and pocket the profits until a 16-year-old drug dealer goes undercover for the FBI to bring them down.

Hondo puts aside his misgivings about Jim Street’s recklessness and allows the newbie to go undercover as a broker in a luxury car theft ring to bust a ruthless trafficker….

Kai goes undercover as a chef in a local restaurant to gather intel on a notorious criminal kingpin who has a connection to the eatery. Also, Jane discovers that a…

Harry Palmer is serving as a working-class British sergeant in Berlin as the Cold War rages in the 1960s. Palmer is a sharp and savvy operator, with varied side-hustles that…

Sam negotiates and Rountree goes undercover, when a man takes a busload of hostages and threatens to blow it up unless his daughter’s war crimes are posthumously cleared.

When a teenaged girl is found dead, Rollins goes undercover at a high-end rehab center where the victim was last seen alive. Meanwhile, Benson tries to overcome her doubts about…

A mother goes undercover as a madam to find her daughter. Further investigation leads Benson to find out who Noah’s father is.

Benson struggles to balance work and her new role of foster mother; when Amaro arrests a young prostitute with connections to Noah’s mother, his undercover work sets off a dangerous…

Michael attempts to have a one-night stand with an attorney whom he doesn’t know is not only blind, but the prosecutor who is trying to put his father in jail….

Mel goes undercover as a volunteer for a rising politician when McCall tries to help a despondent college student being threatened by someone inside the candidate’s campaign. Also, McCall worries…

When the lead suspect of an unsolved and high-profile robbery case is released from prison, the NCIS team resumes their investigation with an undercover stakeout.

A covert identity created for one of Gibbs’ undercover cases from 20 years ago resurfaces when a murder victim is found living under the alias.

While on an undercover mission, Ziva’s life is put in grave danger when the serial killer she’s been tracking becomes suspicious of her.

When Frank’s close friend, a high-profile reporter, is almost assaulted while in town investigating a story, Danny and Jackie attempt to track down her would-be attacker. Meanwhile, Jamie’s undercover case…

Following an explosion at a fish market, the NCIS: LA team partners with an undercover DEA agent to determine if the incident is an act of terrorism or a botched…

Suspicious of an undercover venture involving a deal between corrupt cops and military personnel, Callen and Sam try to expose the illegal operation by posing as California highway patrol officers.

Steve goes undercover as a school hall monitor; Roger and Stan go catatonic after witnessing a grisly escalator accident.

The team is concerned when Sebastian becomes unreachable while undercover as a new recruit.

When Fatima is captured while on a mission and held for ransom, Callen and Sam enlist a deep undercover CIA agent, Kadri, to help get her back.

While Magnum and Higgins are undercover as a couple on a romantic bus tour working a case, they must switch gears when one of the love birds on the trip…

Atwater goes undercover to bring down the longtime head of a criminal enterprise and becomes entangled in a situation that tests his allegiances as well as his conscience.

Antonio heads undercover with a dangerous robbery crew after a narcotics officer goes missing.

Hondo puts aside his misgivings about Jim Street’s recklessness and allows the newbie to go undercover as a broker in a luxury car theft ring to bust a ruthless trafficker….

A spate of robberies comes to light after a firehouse lockbox key goes missing; Sergeant Hank Voight suspects a firefighter may be involved, and with Boden’s support, he recruits Cruz…

When the FBI takes over Firehouse 51 for an undercover mission, Casey and Severide volunteer to assist with the investigation. Kidd attempts to help Severide come to terms with recent…

While working to track down a bombing suspect, Voight and Antonio meet with Chief Boden, who unwillingly agrees to let Dawson and Brett go undercover. As the investigation continues, Boden,…

Crabtree goes undercover at a chess tournament to investigate the murder of a Russian master.

In an attempt to solve a murder, Crabtree and Constable Brackenreid go undercover at a boys school.

It’s Halloween night, a busy time of the year for any police precinct. Amy detests the holiday, and is not thrilled when she has to don a costume to go…

Elizabeth’s landmark global climate treaty with more than 200 countries is jeopardized when China threatens to back out due to her meeting with an ailing Dalai Lama. Also, Henry worries…