RUNNING WILDE: A lovable but immature playboy (Will Arnett, C) tries desperately to win (or buy) the heart of his childhood sweetheart (Keri Russell, second from L), the über-liberal humanitarian who got away in RUNNING WILDE, the new romantic comedy debuting Tuesday, Sept. 21 (9:30-10:00 PM ET/PT) on FOX. Also pictured: Robert Michael Morris (L), Mel Rodriguez (third from L), Stephania Owen (second from R), and Peter Serafinowicz (R). ©2010 Fox Broadcasting Co. Cr: FOX