Dimitrius goes undercover to break an arms smuggling ring that is selling on the black market.

Jack and his team are called in to help the FBI stem a sale of uranium destined for a nuclear bomb.

Sue and jack investigate the sighting of a Nazi war criminal. Myles and Bobby square off against the office manager.

The FBI team captures an al-Qaida leader planning an attack on Washington DC. Tara works with a code-breaker.

As Bobby sets his sights on solving a bank robbery Lucy sets out to stop a crooked contractor from taking possession of her elderly grandmother's home.

Sue is called in to help on a case involving a kidnapped deaf college student.

While Sue helps an emotionally shaken Tara who shot a robber, they learn that someone has vowed revenge on Tara.

When the FBI notice phone calls between possible terrorists and DC citizens they decide to do some surveillance so Sue and Jack pose as a newlywed couple.

The team continues their investigation believing that the suspects intend to spread the bubonic plague. The team races against time to stop them in their tracks

Bobby goes undercover as an Elvis impersonator. Sue learns about Troy's estranged brother.

Jack and Sue go undercover in a law firm.

The team works to convict a man who served five years in prison for killing an FBI agent.

Sue and Lucy dig up an old case concerning a young banker teller who was shot. The girls find it hard to make any progress. The boys film their videos.

Myles goes on mission for justice after discovering his prized painting is a forgery. A routine traffic accident provides clues about a terrorist plot.

Sue and the team are under the gun after determining seemingly random shootings are the work of a serial sniper Jack tries to match wits with the shooter.

Sue discovers a deaf girl might not be truthful about a kidnapping. The team tries to foil a terrorist plot involving poison and a novelist selects Myles.

The Bureau are after a mild mannered economist after the shooting of seven think tank employees.