The Best Episodes Written By Peter Lalayanis

As Nicky wrestles with a secret she's been keeping from Mia, she teams up with Evan, who makes a major discovery about his former boss. Elsewhere, Althea attempts to pull off a surprise 25th anniversary party for Harmony Dumpling against her mother's wishes, and Ryan begins to question what Sebastian may be hiding from him.

With Russell Tan on the verge of making his final move, Nicky enlists all the help she can get in order to stop him before it's too late. But when an unexpected discovery threatens to derail their efforts, the team will be forced to prepare for what may be a losing battle.

Detective Holden forces John to testify against the gang, drawing its ire; Samantha's past threatens her marriage.

A gang shootout results in a flood of victims in the ER. John tries to halt the escalating violence, but to succeed he must navigate rival gang members and the police. Meanwhile, Gretchen tends to the young woman who sparked the bloodshed.

When a school shooting breaks out during the investigation of a tattoo, the team splits up to take down the shooter. Mayfair copes with some issues from her past.

Nas and Weller navigate their new dynamic as co-leaders during the team's hunt for a museum gala assassin, who turns out turns out to be harboring a dark secret. Jane starts to see a softer side of her old organization.

Remi's schemes put her and Weller in danger, while Patterson and Rich solve a mysterious puzzle at the FBI.

Under investigation by an old rival, the team struggles to defend itself. Meanwhile, a tattoo leads them to a mysterious death at a foster home

As the team chases a deadly bomber who's terrorizing Manhattan, Jane uncovers a shattering secret from her youth.

The team must partner with an oddball conspiracy theorist to keep Crawford from acquiring a deadly weapon. Meanwhile, Roman struggles to maintain his personal life with Blake while completing a series of secret missions.

A horrifying and vengeful villain threatens the FBI. Weller considers his priorities. Zapata and Reade try to navigate their living situation. Patterson explores a budding interest.

The team gets a major break in the Sandstorm case when they discover Shepherd's true identity... and a decades-old connection between her and Weller.

When an op goes bad, the team must deal with a proverbial monster in their house before it can take them down one by one. Meanwhile, Director Weitz is forced into a tense game of psychological chess as Madeline Burke attempts to assess his loyalty and root out a potential mole at the FBI.

Weller and his former FBI partner reunite for a dangerous undercover mission while Zapata interrogates a past foe.