SEASON FINALE

THE RAMBALDI END GAME IS PUT INTO MOTION BY ELENA DEREVKO, AND IT'S UP TO SYDNEY, JACK, IRINA, VAUGHN AND NADIA TO SAVE THE WORLD FROM ITS CATASTROPHIC EFFECTS, ON THE SEASON FINALE OF ABC'S "ALIAS"

Lena Olin Guest Stars as Irina Derevko

Sonia Braga ("American Family," "Kiss of the Spider Woman") Guests as Elena Derevko

"Before the Flood" - Sydney, Jack, Irina (Lena Olin), Vaughn and Nadia are the last hope to save the world from the catastrophic effects of the Rambaldi end game -- put into action by Elena Derevko (Sonia Braga, "American Family," "Kiss of the Spider Woman"). Meanwhile, the Rambaldi prophecy surrounding Sydney and Nadia comes one step closer to becoming reality, Sloane's true allegiances are realized, and Vaughn asks Sydney a momentous question, on the Season Finale of "Alias," WEDNESDAY, MAY 25 (10:00-11:00 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 Lena Olin as Irina Derevko, Robert Patrick Benedict as Brodien and Sonia Braga as Elena Derevko.

"Before the Flood" was written by Josh Appelbaum & Andri Nemec and directed by Lawrence Trilling.

"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.