AFFAIRS OF THE HEART TAKE CENTER STAGE IN AN ALL-NEW EPISODE OF 'KYLE XY' ON MONDAY, FEBRUARY 23 AT 9:00 PM ET/PT ON ABC FAMILY

Burbank, CA (February 2, 2009) � With relationships in flux, all the kids must examine what their hearts are really trying to tell them, in "Chemistry 101," an all-new episode of "Kyle XY" premiering on ABC Family on Monday, February 23 (9:00 � 10:00 PM ET/PT).

Still reeling from Jessi's big confession about her feelings, Kyle has his hands full with girl troubles. While trying to figure out how to deal with Jessi, Kyle can't help but be completely jealous over Amanda's new relationship with Nate. And to top that all off, he still doesn't trust Cassidy, but doesn't have any evidence to prove his suspicions. Luckily for Kyle, an opportunity arises that might just be his saving grace. Can Kyle win back Amanda, make things right with Jessi and prove that Cassidy is up to no good all in one night?

Meanwhile, Josh and Andy hit their own rough patch as they try to deal with her family's impending move.

"Kyle XY" stars Matt Dallas, Marguerite MacIntyre, Bruce Thomas, April Matson, Jean-Luc Bilodeau, Chris Olivero, Kirsten Prout and Jaimie Alexander.

The ABC Studios series is created by Eric Bress & J. Mackye Gruber ("Butterfly Effect," "Final Destination 2"). KYLE XY is executive produced by Eric Tuchman and David Himelfarb, with co-executive producer Julie Plec.

Part of the Disney-ABC Television Group, ABC Family, distributed in over 95 million homes, features original movies, series and specials reflecting today's families and entertaining and connecting with adults through relevant stories about today's relationships, all told with diversity, dysfunction, passion, humor and heart. ABC Family's programming is a mix of quality acquired series and theatricals as well as original movies and scripted dramas. ABC Family is also the destination for Holiday events with "13 Nights of Halloween" and "25 Days of Christmas" branded programming events. ABC Family. A New Kind of Family.