Matt Biedel

When dozens of children from military families come down with a mysterious illness, the team tries to deliver a cure before the holidays.

NCIS teams with Homeland Security when the murder of a Navy master diver is discovered to be linked to the chatter concerning a foreign attack on the city.

The team investigates when a news reporter names the people responsible for a deadly explosion at a charity event sponsored by the military.

Evidence suggests a victim may have been set up as bait, after he's found to have been attacked and killed by a black bear.

Robin, an old flame of Don's, returns to prosecute an incarcerated criminal, but when three witnesses involved in the case are murdered, Don and the team fear she will be the next victim.

When Sylar comes face-to-face with his long lost father, the reunion proves to be what he least expected. Elsewhere, after receiving a tip from Rebel, Claire must decide if she will help her sworn enemy, Eric Doyle, evade capture. Meanwhile, as `The Hunter' plans to uncover the Petrelli family's secrets and take control of Nathan's operation, Matt finds himself in the spotlight and on the verge of leveling Capitol Hill.