Sydney and Vaughn must convince bomb maker Daniel Ryan that they are part of The Covenant in order to find out where he has hidden one of his devices. But…

Kitty returns to LA to interview for a political based TV show and to visit her family, which is full of secrets.

The murder investigation of a sports legend has complications when his body is lost by the lab.

Hiro and Ando’s trek into the future leads them to meet some of the heroes as they are five years later, after the nuclear fallout. This includes a darker side…

Peter learns that he and Claude may have been betrayed. Matt’s reunited with the radioactive Ted Sprague and Hana Gitelman a woman with “wireless” mental abilities. Hiro makes a tough…

Jack pushes Audrey for answers when evidence indicates that she may be involved with the terrorists. Wayne and Aaron flee from a group of gunmen who have orders from Henderson…

Jack bargains with a German intelligence agent in order to find the woman who can lead him to Bierko. Buchanan chafes against the new chain of command as Homeland Security…

Jack and Lynn must take action when they discover that the nerve gas is breaking through the protective seals that are keeping the CTU survivors alive. Chloe wrestles with her…

A new attending, Dr. Victor Clemente, comes aboard and quickly makes a stir on the ER. Abby’s breast cancer patient convinces her to take a long awaited test. Luka befriends…

The rainy night brings in diverse patients including a mother involved in a car accident with her baby, a man with a satisfaction facilitator, and a comatose patient who suddenly…

When Aceveda confirms that the Strike Team is the target of an Armenian mob hit, Mackey must take matters into his own hands. Meanwhile, Whym’s career is on the line…

With an Armenian hit-man hot on their trail, the Strike team sweeps the streets of the Armenian community to find him before he finds them. After catching a break, Aceveda’s…