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 A REBROADCAST OF "NUMB3RS," FRIDAY, SEPT. 1

"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 a rebroadcast of NUMB3RS, Friday, Sept. 1 (10:00-11:00 PM, ET/PT) on the CBS Television Network. J. Miller Tobin directed the episode written by J. David Harden. (Originally broadcast 5/12/06)

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: TVPG-SV