[EDITOR'S NOTE: PRISON BREAK and 24 will air in their entirety in all time zones tonight. Due to the Presidential address on immigration, the schedule has changed in ET and CT as noted below. There are no changes to the previously announced primetime schedule in MT and PT.]

PA: Due to some graphic violence, viewer discretion is advised.

AGENT BAUER PRESSES ON WHILE PRESIDENT LOGAN AGONIZES ON "24" MONDAY, MAY 15, ON FOX

Agent Bauer goes to unrelenting patriotic lengths in pursuit of the incriminating evidence against President Logan. Meanwhile, the return of Vladimir Bierko reignites the possibility of a devastating new threat on the all-new �Day 5: 4:00 AM-5:00 AM� episode of 24 Monday, May 15 (9:20-10:20 PM ET/8:20-9:20 PM CT/8:00-9:00 PM MT/9:00-10:00 PM PT) on FOX. (TWF-522) (TV-14 V)

Cast: Kiefer Sutherland as Jack Bauer, Kim Raver as Audrey Raines, Mary Lynn Rajskub as Chloe O'Brian, James Morrison as Bill Buchanan, Gregory Itzin as President Logan, Jean Smart as First Lady Martha Logan.

Guest Cast: Julian Sands as Vladimir Bierko, Jayne Atkinson as Karen Hayes, Stephen Spinella as Miles Papazian, Peter Weller as Christopher Henderson, Paul McCrane as Graham, Jude Ciccolella as Mike Novick, Peter Weller as Christopher Henderson, Glenn Morshower as Agent Aaron Pierce.