Who's Who: Character Dossier

Wayne Palmer is the new president, but that's just one of many changes for the characters of '24.'

• Episode & Cast Photos

Day Five Highlights

Terrorists unleashed nerve gas in Los Angeles, and President Logan betrayed the country.

Day Four Highlights

Terrorists target nuclear reactors, Air Force One and Los Angeles.

Day Three Highlights

A deadly virus threatens to infect all of Los Angeles.

Day Two Highlights

President Palmer faces a nuclear bomb threat, and must call on Jack for help.

Day One Highlights

Jack Bauer must protect Senator Palmer from assassination, while saving his wife and daughter.

Bauer Girls

What do you know about the ladies of '24'?

Bad to the Bone

They're eeeevil! Test your knowledge about the villains of '24.'

You Don't Know Jack

True or false: Jack went undercover as a clown to infiltrate a terrorist's party.