DON AND CHARLIE WORK TOGETHER TO FIND OUT HOW THE BODIES OF FIVE YOUNG ASIAN GIRLS, POSSIBLY INFECTED WITH AVIAN FLU, LANDED ON A LOS ANGELES BEACH AND WHERE THEY CAME FROM, ON "NUMB3RS," FRIDAY, MAY 12

"Undercurrents" -- Don enlists Charlie's help when the bodies of five young Asian girls found washed up are suspected of being infected with the Avian influenza virus, on NUMB3RS, Friday, May 12 (10:00-11:00 PM, ET/PT) on the CBS Television Network. J. Miller Tobin directed the episode written by J. David Harden.

To prevent the potential spread of the Avian flu, Don puts a rush on the investigation, which takes a surprising turn when David and Colby discover a clue on one of the girls' bodies. Meanwhile, Amita considers a move to Harvard University, which causes Charlie to re-evaluate his feelings for her.

Don Eppes: Rob Morrow
Charlie Eppes: David Krumholtz
Alan Eppes: Judd Hirsch
David Sinclair: Alimi Ballard
Larry Fleinhardt: Peter MacNicol
Megan Reeves: Diane Farr
Amita Ramajuan: Navi Rawat
Colby Granger: Dylan Bruno
Jeremy Wang: Russell Wong
Claudia Gomez: Lauren Velez
Mike Belweather: Matt Roth
Jack Morrison: Dennis Cockrum
Raymond Nipay: Francisco
Dr. James Handel: Bob Morrisey
Surfer #1: Christopher Stapletom
Tech Leonard Jones: Larry Bates
Steven Jintao: Ping Wu
Surfer #2: Jeffrey Corbett
Schoolgirl: April Hong
Bartender: Don Leslie

RATING: To Be Announced