“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.

Claire and her new friend Gretchen investigate the death of Claire’s roommate Annie, while Noah comes to Peter for assistance. Samuel and Edgar recover the compass, Hiro realizes his new…

Six weeks after Matt and the others wiped Sylar’s mind, the Heroes attempt to go on living normal lives. We are introduced to “family” of carnies with abilities. Angela Petrelli…