Just call it Extreme Makeover: Appendix Edition. Ty Pennington underwent surgery Saturday in his hometown of Atlanta for acute appendicitis. Mr. Fix-It, who was in the middle of shooting an episode of Home Edition when he became ill, will continue to call the shots from his hospital bed. "Thanks to phones and e-mails," he says, "I will be able to maintain my part by giving input to the other designers and discussing our plans for the house." Get the tissues ready!