AFTER A MISSION GOES SOUTH ON SYDNEY, MARSHALL MAY BE THE ONLY PERSON WHO CAN SAVE HER, AND DIXON IS EXPOSED TO A DEADLY PATHOGEN, ON ABC'S "ALIAS"

"Tuesday" - Sydney's life hangs in the balance when a mission goes awry -- and Marshall, surprisingly, is the only one who might be able to save her. Meanwhile, Dixon is exposed when a deadly pathogen is released inside APO, on "Alias," WEDNESDAY, MARCH 30 (9:01-10:02 p.m., ET), on the ABC Television Network.

"Alias" stars Jennifer Garner as Sydney Bristow, Victor Garber as Jack Bristow, Ron Rifkin as Arvin Sloane, Michael Vartan as Michael Vaughn, Carl Lumbly as Marcus Dixon, Kevin Weisman as Marshall Flinkman, Greg Grunberg as Eric Weiss and Mia Maestro as Nadia Santos.

Guest starring are Amanda Forman as Carrie, Diego Wallraff as Alex, Ulrich Thomsen as Ulrich and Richard Willgrubs as technician.

"Tuesday" was written by Drew Goddard & Breen Frazier and directed by Frederick E.O. Toye.

"Alias" is broadcast in 720 Progressive (720P), ABC's selected HDTV format, with 5.1-channel surround sound.

A TV parental guideline will be assigned closer to airdate.