A retrospective marking Fox's quarter century on the air. (Fox began broadcasting April 5, 1987.) It's slated to feature stars from "Ally McBeal," "Beverly Hills, 90210," "Married With Children," "American Idol," "24," "That '70s Show," "The Family Guy" and "In Living Color." Scheduled to appear: Calista Flockhart, Ryan Seacrest, Randy Jackson, Jennifer Lopez, Steven Tyler, Shannen Doherty, Christina Applegate, Katey Sagal, Seth MacFarlane, Kiefer Sutherland, Gillian Anderson and David Duchovny.