Overview:"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.
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First Air Date: Sep 25, 2006Last Air date: Feb 08, 2010Season: 4 SeasonEpisode: 78 EpisodeRuntime: 43:14 minutesQuality: HDIMDb: 3.53 / 10 by 2170 usersPopularity: 546.962Language: en
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