Fight your dad or brother for the remote (or at least schedule your TiVo) because the 2008 USASF Cheerleading Worlds airs on ESPN2 on Sunday, May 18th at 1 pm EST, then again on Monday May 19th at 4 pm. Although they are not totally guaranteed to be seen, here are the routines that are currently slated to be aired (in no particular order): 

All-Girl: World Cup Shooting Stars; Cheer Extreme; FAME; Ultimate Athletics; POWER; Cheer Athletics; Maryland Twisters; FCA Gems Diamonds and Pittsburgh Superstars

Coed: Top Gun (don't miss!); Stingray Allstars, California All-Stars, South Jersey Storm, Pro Cheer  from Georgia and Cheer Extreme

International: GymTyme