Seasons
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Season 1 Sep. 25, 2006
- Episode 1: Genesis
- Episode 2: Don't Look Back
- Episode 3: One Giant Leap
- Episode 4: Collision
- Episode 5: Hiros
- Episode 6: Better Halves
- Episode 7: Nothing to Hide
- Episode 8: Seven Minutes to Midnight
- Episode 9: Homecoming
- Episode 10: Six Months Ago
- Episode 11: Fallout
- Episode 12: Godsend
- Episode 13: The Fix
- Episode 14: Distractions
- Episode 15: Run!
- Episode 16: Unexpected
- Episode 17: Company Man
- Episode 18: Parasite
- Episode 19: .07%
- Episode 20: Five Years Gone
- Episode 21: The Hard Part
- Episode 22: Landslide
- Episode 23: How to Stop an Exploding Man
Season 2 Sep. 24, 2007
Season 3 Sep. 22, 2008
- Episode 1: The Second Coming
- Episode 2: The Butterfly Effect
- Episode 3: One of Us, One of Them
- Episode 4: I Am Become Death
- Episode 5: Angels and Monsters
- Episode 6: Dying of the Light
- Episode 7: Eris Quod Sum
- Episode 8: Villains
- Episode 9: It's Coming
- Episode 10: The Eclipse, Part 1
- Episode 11: The Eclipse, Part 2
- Episode 12: Our Father
- Episode 13: Dual
- Episode 14: A Clear and Present Danger
- Episode 15: Trust and Blood
- Episode 16: Building 26
- Episode 17: Cold Wars
- Episode 18: Exposed
- Episode 19: Shades of Gray
- Episode 20: Cold Snap
- Episode 21: Into Asylum
- Episode 22: Turn and Face the Strange
- Episode 23: 1961
- Episode 24: I Am Sylar
- Episode 25: An Invisible Thread
Season 4 Sep. 21, 2009
- Episode 1: Orientation
- Episode 2: Jump, Push, Fall
- Episode 3: Ink
- Episode 4: Acceptance
- Episode 5: Hysterical Blindness
- Episode 6: Tabula Rasa
- Episode 7: Strange Attractors
- Episode 8: Once Upon a Time in Texas
- Episode 9: Shadowboxing
- Episode 10: Brother's Keeper
- Episode 11: Thanksgiving
- Episode 12: The Fifth Stage
- Episode 13: Upon This Rock
- Episode 14: Let It Bleed
- Episode 15: Close to You
- Episode 16: Pass/Fail
- Episode 17: The Art of Deception
- Episode 18: The Wall
Heroes Season 4 Episode 16
“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.