The excellent
http://www.kryptonsite.com reports a Teen Titan will be heading for Smallville: "The fifteenth episode of Smallville's fifth season will feature a guest appearance by a popular member of DC Comics' Teen Titans. The hero in question this time around is Cyborg, a character who rose to popularity in the classic Marv Wolfman/George Perez New Teen Titans comics who also is features on the Cartoon Network's Teen Titans animated series. The title of the episode is, of course, "Cyborg.""