Season 1
- Episode 01: Genesis
- Episode 02: Don’t Look Back
- Episode 03: One Giant Leap
- Episode 04: Collision
- Episode 05: Hiros
- Episode 06: Better Halves
- Episode 07: Nothing to Hide
- Episode 08: Seven Minutes to Midnight
- Episode 09: 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
- Episode 01: Four Months Later…
- Episode 02: Lizards”
- Episode 03: Kindred
- Episode 04: The Kindness of Strangers
- Episode 05: Fight or Flight
- Episode 06: The Line
- Episode 07: Out of Time
- Episode 08: Four Months Ago…
- Episode 09: Cautionary Tales
- Episode 10: Truth & Consequences
- Episode 11: Powerless
Webisodes
- Episode 01: A Nifty Trick
- Episode 02: The House Guest
- Episode 03: Let’s Talk
Season 3
- Episode 00: Clip Show
- Episode 01: The Second Coming
- Episode 02: The Butterfly Effect
- Episode 03: One of Us, One of Them
- Episode 04: I Am Become Death
- Episode 05: Angels and Monsters
- Episode 06: Dying of the Light
- Episode 07: Eris Quod Sum
- Episode 08: Villains
- Episode 09: It’s Coming
- Episode 10: The Eclipse, Part 1
- Episode 11: The Eclipse, Part 2
- Episode 12: Our Father
- Episode 13: Duality
- 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
- Episode 01: The Fatal Flaw (September 10, 2009)
- Episode 02: Extraction (September 10, 2009)
