The lovely CALISTA FLOCKHART makes her first appearance on the show and chats about her return to television with the hit drama "<i><b>Brothers & Sisters</b> (ABC, Sunday @ 10pm)</i>." TY PENNINGTON shares heartwarming stories from his hit show, "<i><b>Extreme Makeover: Home Edition</b> (ABC, Sunday @ 8pm)</i>." DEF LEPPARD, perform their classic "<u>Pour Some Sugar On Me</u>." And, don't miss another installment of WRITE ON, when Ellen reads your e-mails.