The FBI takes on a case from LAPD involving a serial murderer who has been leaving limbs across state lines. After the team follows a lead from Antoinette and Elena's forensic breakthroughs, the killer retaliates against Laura. The crossover starts on The Rookie S05E21 Going Under (I).

When Simone and Carter go undercover to find an international assassin known as The Reaper, a prisoner seeking bail recognizes Carter and nearly blows his cover. Laura and Brendon trace a lead on The Reaper’s assault rifle while Brendon works to heal his relationship with his father. Meanwhile, Simone’s demanding work schedule puts a strain on her relationship with Dina.

After a failed assassination attempt involving a bomber, Congressman Damien Roberts hires Garza’s team for protective detail while Brendon and Laura begin investigating potential suspects. Later, Damien and Simone rekindle their romantic relationship, and Brendon advances his relationship with Antoinette.

During a recent murder investigation of an investment banker, who was also declared murdered six years ago, the unit follows a suspicious trail that leads to new evidence on both cases. Meanwhile, relationships are put to the test as Fortune considers her future with Carter, and Brendon pushes his limits with Antoinette.

While searching for a missing scientist in the Angeles National Forest, Simone and Carter uncover an eco-terrorist’s plans to detonate dirty bombs across the city. Meanwhile, Brendon taps into his own profiling tactics to find the perfect birthday gift for Laura.

A mysterious caller threatens to reveal a leaked list of undercover FBI agents if a prisoner is not released; Simone enlists John Nolan to help her remodel Cutty’s garage into a living space. The crossover starts on The Rookie S05E10 The List (I).

When Brendon and Antoinette’s first date becomes an undercover operation, they embrace their new roles and make the most of the adventure. Meanwhile, Simone and Laura help Carter boost his dating game, and Simone’s daughter makes a surprise visit.

It’s Valentine’s Day, and love is in the air. The FBI teams up with LAPD to take down a shady Casanova linked to a notorious drug lord. While the rest of the team celebrates with their new loves, Simone connects with someone new.

After an internal investigation unit agent is drugged and buried alive in a desert outside of Vegas, the Feds director enlists Garza's unit to discreetly investigate. Meanwhile, Simone's plans for her 49th birthday bash are sidelined.

Simone Clark sets her sights on joining Matthew Garza’s newly formed special unit as they investigate the murder of a federal engineer. Simone and Cutty’s relationship is tested as their opposing opinions about law enforcement come to a head.

After a father and daughter are kidnapped on Thanksgiving, the team discovers a hostage situation involving police deputies. When the gunmen offer an exchange for the hostages, Simone is sent undercover by Garza, and Lopez arrives to help rescue Wesley. Meanwhile, Laura and Brendon search for a nanny cam that could reveal the identity of the kidnapper.

When Garza’s character comes into question, Simone and team develop their own covert operation to support their boss

When a billionaire’s daughter goes missing, he publicly announces a hefty reward for her safe return, sparking concern for the FBI. Meanwhile, Garza’s ex-wife makes a surprise appearance and shakes things up with the team.

Garza and the team are on the hunt for a ruthless gang leader on a mission for revenge. Atlas comes to town to reconnect with Laura, but the two cannot seem to see eye-to-eye, and Simone and Carter grapple with letting go of old grudges. The crossover starts on The Rookie S05E17 The Enemy Within (I).

As Simone is doing office inventory, she uncovers a trail of bodies that leads her to investigate a case involving a reclusive business tycoon. Meanwhile, Laura and Brendon track down an evidence thief and Carter works to prove Fortune’s innocence.

Simone and Carter get trapped in the tropics while hunting down a suspect on the run. Simone’s unexpected meet-cute with Dina throws a wrench into Cutty’s love life, and Elena’s high-end fashion splurge cracks open an unsolved murder mystery.

As the unit investigates a murder victim whose body has been drained of blood, the gruesome case catches the attention of a true crime show, and Brendon shares his “Vampire Cop” expertise to help solve the case.

It’s a race against time as the Feds band together to stop death row inmate Foster and his cult following’s killing spree ahead of his execution. Meanwhile, as Cutty and Ruth’s relationship gets serious, Simone and Dina are forced to reconnect.

Simone utilizes her informant to track down an arms dealer on the FBI’s Most Wanted list. Brendon investigates a risky lead on a congressman. Cutty and Simone struggle to see eye-to-eye. Tim and Laura find common ground with their similar no-nonsense approach to training rookies.

After a group of robbers steal a diplomatic pouch, Naomi and the Feds work to prevent an international counterfeit scandal. While Garza reconnects with an old friend, Brendon’s sponsor relapses, and he rethinks his relationship with Antoinette.

Garza’s unit gets roped into a complicated kidnapping case involving a forbidden relationship between two rival drug-dealing gangs. Meanwhile, Simone’s love life is heating up; Laura comes face-to-face with her past, and Carter tries to reconnect with his wife.

When the team splits up to question a suspect’s father, Simone and Laura discover critical information on how their abusive relationship is connected to the crimes. Following this lead, the team heads to Tucson to save the suspect’s newest target. Meanwhile, sparks fly with Laura and her former colleague, Mark Atlas, as they debate the killer’s motive The crossover starts on The Rookie S05E04 The Choice (I).