"Day 3: 1:00AM - 2:00AM", Episode #313.
Chase admonishes Jack for excluding him from the plans to procure the virus, and Jack spells out what it takes to be a CTU agent; Nina finds a way to cause serious damage at CTU.
Cast: Kiefer Sutherland, Elisha Cuthbert, Dennis Haysbert, Carlos Bernard, Reiko Aylesworth, James Badge Dale, Sarah Clarke, D.B. Woodside, Vincent Laresca, Mary Lynn Rajskub, Joaquim de Almeida, Zachray Quinto, Greg Ellis, Penny Johnson Jerald, David Herman, Gina Torres.
Producer(s): Joel Surnow, Robert Cochran, Brian Grazer, Howard Gordon.
Original Airdate: February 10, 2004.