"Pass/Fail" is the fifteenth episode of the fourth season of the NBC science fiction drama series Heroes, and the seventy-fourth episode overall. The episode aired on January 18, 2010.
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