Tim receives a strange message, launching a larger investigation into the dark web; Celina works to take down a popular podcast; Miles helps update the department's training videos.
The team helps skip tracer Randy when his new love interest is kidnapped; Angela and Nyla enlist their moms to help catch a con artist; Wesley is threatened to drop a case.
John and Harper work together to catch Oscar; Angela investigates a bank robbery; Lucy and Tim learn to adapt to her new schedule; Miles' first date takes an unexpected turn.
The team must try to understand why they were targeted and if there is a bigger plan in place; Nolan must survive his last shift before his wedding to Bailey.
The team comes together to celebrate John and Bailey's wedding; Celina discovers a discrepancy in her case, leading to a new discovery; Lucy and Tim's relationship is put to the test.
Nolan and Bailey's honeymoon is more of a nightmare than a dream when it turns into an active crime scene; Tim and Celina partner up and must uncover the identity of a John Doe.
Training Day
S6 E4
It's Officer Aaron Thorsen's first day back since the assault, and he's tasked with a series of high-stress cases to determine whether he's ready to work; the team investigates a homicide case with a potential tie to the pentagram killer.
The Vow
S6 E5
When a toddler is found at the scene of a crime, John and Bailey must decide whether to let the child go to a shelter for the night or care for her themselves; when someone from his past returns, Tim disappears and leaves Lucy in the dark.
Secrets and Lies
S6 E6
Following their time as foster parents, Bailey wants to have a baby and forces John to reconsider their decision to not have children; John and Celina discover a prison escapee whom they fear is out for revenge and race to find her.
When two teenagers go missing, it is up to the entire team to find the girls and uncover the truth about their disappearance; Lopez and Harper search for the perfect nanny.
After a mafia-related mass casualty, the team is tasked to keep the peace at the hospital; Lucy and Celina work together to investigate the suspects behind the attack; Tim and Aaron embark on a metro ops mission.
Officer Nolan and Celina take on a special case; Monica enlists help to identify her attackers; Lopez and Harper discover a connection to the trail of crimes.
A Hole in the World
S5 E19
The team investigates a pattern of kidnappings, which leads them to a discovery that hits close to home with one of their own; Lucy and Tim's relationship is put to the test as they begin to feel the hard hours of their jobs.
S.T.R
S5 E20
Officer Tim Bradford's ex-wife returns and asks the team to help her save someone from her undercover past; Isabel's return also creates additional pressure in Lucy and Tim's relationship as they assist in the search.