Counterterrorism agent Jack Bauer fights the bad guys of the world, a day at a time. With each week's episode unfolding in real-time, "24" covers a single day in the life of Bauer each season.

With the world now aware of his dual life as the armored superhero Iron Man, billionaire inventor Tony Stark faces pressure from the government, the press and the public to share his technology with the military. Unwilling to let go of his invention, Stark, with Pepper Potts and James 'Rhodey' Rhodes at his side, must forge new alliances – and confront powerful enemies.

Howard Silk is a lowly cog in a bureaucratic UN agency who is turning the last corner of a life filled with regret when he discovers the agency he works for is guarding a secret: a crossing to a parallel dimension.

Chip Baskets wants to follow his dream of being a French clown—however, reality keeps interfering. Saddled with financial difficulties and facing an impenetrable language barrier, he moves back home to Bakersfield with high hopes. There, he is forced to confront his past while working as a rodeo clown and competing with his siblings for his mother's approval and affection.

Joshua and his father are among the Jewish prisoners in a concentration camp. When the assistant leader of their work crew is gunned down by mistake, the sadistic leader offers Joshua his place. He takes it, but at what price to his heritage and family?