"Shadowboxing" is the eighth episode of the fourth season of the NBC science fiction drama series Heroes and sixty-seventh episode overall. The episode aired on November 9, 2009.
Released: Jan 01, 1970
Runtime: 00:43:14 minutes
Genre: Sci-Fi & Fantasy, Drama
Stars: Zachary Quinto, Masi Oka, Hayden Panettiere, Adrian Pasdar, Sendhil Ramamurthy, Milo Ventimiglia, Ali Larter, Robert Knepper, Jack Coleman, James Kyson, Greg Grunberg