After their wedding, Charlie and Amita help the team look for Don's missing gun.

The suicide of a rape victim sheds new light on another attack connected to events from decades earlier.

The FBI investigates a number of jewelry thefts at awards shows, but are thwarted in their attempts by uncooperative witnesses, celebrity has-beens and fake gems.

The FBI investigates a string of murders to find only one thing in common between all the victims -- all the murdered men had recently engaged the services of a prostitute. The case takes a twist when it appears there may be more than one killer.

The team searches for a missing firearms shipment when it seems that one is responsible for a recent death. Don and Charlie both experience relationship troubles.

Don and the team try their luck at investigating the theft of scratch-off lottery tickets, but the stakes are raised when one of the culprits killed at a botched robbery turns out to be a former lottery winner.

When the team foils a robbery of an armored car full of Federal Reserve money and recover bills that trace back to the infamous D.B. Cooper heist, they call on retired Agent Roger Bloom for help.

Don and the team needs help from convict John Buckley when robbers hit a diamond exchange and take hostages. They believe the robbers are copying Buckley's criminal strategies.

Ian Edgerton meets back up with the team, but this time - he's on the wrong side. Accused of murder, Ian takes a member of Don's team hostage in order to get to the bottom of the case against him.

A shrewd computer hacker cuts the ground from up under an undercover sting operation to bag a cyber crime lord. His actions trigger a turf war putting his life in peril.

The FBI team investigates a decommissioned air base that has recently observed mysterious paranormal activity. While looking into a woman's death, spooky occurrences change the tone of the investigation.

The team attempts to rescue a kidnapped girl, but their involvement in the case brings up personal and moral issues for for Liz, Amita and Charlie when they begin to suspect she might be one of the first human clones.

As Larry prepares to embark on his adventure, the team must investigate a string of murders. The case takes an interesting turn when it is discovered that the murders mimic scenes from a movie that hasn't even been released yet.

The team must investigate a gambling ring that has turned deadly, while Don and Charlie worry about a situation closer to home.

Don's team is called in to investigate when several FBI agents are killed in a firefight with bank robbers. Meanwhile, Larry makes a decision that worries Charlie and Amita.

While Charlie waits for an answer to the question he popped to Amita, Don and his team try to hunt down a sniper intent on killing someone under FBI protection.