The administration resumes an offensive approach; Jack and Fayed come face to face; a shocking development.

Jack relays critical information about the Russian terrorist mastermind Gredenko, forcing the CTU to take immediate action; the vice president challenges the administration during an... Full summary

The nuclear threat has unexpected consequences; the administration copes with the worsening situation during the ongoing power shifts; CTU commands Jack and Mike Doyle on an intense... Full summary

CTU tracks Gredenko following the events at the Russian consulate; Jack copes with devastating news; Vice President Daniels considers controversial strategies.

Two unlikely foes come face to face in a bid to defuse an escalating international situation; CTU newcomer Mike Doyle (Rick Schroder) joins the hunt for new leads.

As the administration deals with a shocking setback, former President Logan becomes increasingly involved; Pollock and Lennox are tied up in a messy situation; Jack pursues new... Full summary

President Palmer unites two unlikely and influential people; CTU copes with an unexpected weakness; Jack deals with a familiar foe.

Chloe covers for a fellow agent; Milo faces the pressure of a new threatening situation; Jack struggles with another setback; the administration remains bunkered.

The nation continues to deal with the aftermath of the terrorist attacks.

The nation continues to deal with the aftermath of the terrorist attacks.