"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: 2010-01-18
Runtime: 50 minutes
Genre:
Stars: Zachary Quinto, Masi Oka, Hayden Panettiere, Adrian Pasdar, Sendhil Ramamurthy, Milo Ventimiglia, Ali Larter, Robert Knepper, Jack Coleman, James Kyson, Greg Grunberg, Cristine Rose