Season 1
S1.E0 ∙ Unaired Premiere EpisodeS1.E1 ∙ Chapter One 'Genesis'S1.E2 ∙ Chapter Two 'Don't Look Back'S1.E3 ∙ Chapter Three 'One Giant Leap'S1.E4 ∙ Chapter Four 'Collision'S1.E5 ∙ Chapter Five 'Hiros'S1.E6 ∙ Chapter Six 'Better Halves'S1.E7 ∙ Chapter Seven 'Nothing to Hide'S1.E8 ∙ Chapter Eight 'Seven Minutes to Midnight'S1.E9 ∙ Chapter Nine 'Homecoming'S1.E10 ∙ Chapter Ten 'Six Months Ago'S1.E11 ∙ Chapter Eleven 'Fallout'S1.E12 ∙ Chapter Twelve 'Godsend'S1.E13 ∙ Chapter Thirteen 'The Fix'S1.E14 ∙ Chapter Fourteen 'Distractions'S1.E15 ∙ Chapter Fifteen 'Run!'S1.E16 ∙ Chapter Sixteen 'Unexpected'S1.E17 ∙ Chapter Seventeen 'Company Man'S1.E18 ∙ Chapter Eighteen 'Parasite'S1.E19 ∙ Chapter Nineteen '.07%'S1.E20 ∙ Chapter Twenty 'Five Years Gone'S1.E21 ∙ Chapter Twenty-One 'The Hard Part'S1.E22 ∙ Chapter Twenty-Two 'Landslide'S1.E23 ∙ Chapter Twenty-Three 'How to Stop an Exploding Man'
Season 2
S2.E1 ∙ Chapter One 'Four Months Later...'S2.E2 ∙ Chapter Two 'Lizards'S2.E3 ∙ Chapter Three 'Kindred'S2.E4 ∙ Chapter Four 'The Kindness of Strangers'S2.E5 ∙ Chapter Five 'Fight or Flight'S2.E6 ∙ Chapter Six 'The Line'S2.E7 ∙ Chapter Seven 'Out of Time'S2.E8 ∙ Chapter Eight 'Four Months Ago...'S2.E9 ∙ Chapter Nine: Cautionary TalesS2.E10 ∙ Chapter Ten 'Truth & Consequences'S2.E11 ∙ Chapter Eleven 'Powerless'
Season 3
S3.E1 ∙ Chapter One 'The Second Coming'S3.E2 ∙ Chapter Two 'The Butterfly Effect'S3.E3 ∙ Chapter Three 'One of Us, One of Them'S3.E4 ∙ Chapter Four 'I Am Become Death'S3.E5 ∙ Chapter Five 'Angels and Monsters'S3.E6 ∙ Chapter Six 'Dying of the Light'S3.E7 ∙ Chapter Seven 'Eris Quod Sum'S3.E8 ∙ Chapter Eight 'Villains'S3.E9 ∙ Chapter Nine 'It's Coming'S3.E10 ∙ Chapter Ten 'The Eclipse Part 1'S3.E11 ∙ Chapter Eleven 'The Eclipse - Part 2'S3.E12 ∙ Chapter Twelve 'Our Father'S3.E13 ∙ Chapter Thirteen 'Dual'S3.E14 ∙ Chapter One 'A Clear and Present Danger'S3.E15 ∙ Chapter Two 'Trust and Blood'S3.E16 ∙ Chapter Three 'Building 26'S3.E17 ∙ Chapter Four 'Cold Wars'S3.E18 ∙ Chapter Five 'Exposed'S3.E19 ∙ Chapter Six 'Shades of Gray'S3.E20 ∙ Chapter Seven 'Cold Snap'S3.E21 ∙ Chapter Eight 'Into Asylum'S3.E22 ∙ Chapter Nine 'Turn and Face the Strange'S3.E23 ∙ Chapter Ten '1961'S3.E24 ∙ Chapter Eleven 'I Am Sylar'S3.E25 ∙ Chapter Twelve 'An Invisible Thread'
Season 4
S4.E1 ∙ Chapter One 'Orientation/Jump, Push, Fall'S4.E2 ∙ Chapter Two 'Ink'S4.E3 ∙ Chapter Three 'Acceptance'S4.E4 ∙ Chapter Four 'Hysterical Blindness'S4.E5 ∙ Chapter Five 'Tabula Rasa'S4.E6 ∙ Chapter Six 'Strange Attractors'S4.E7 ∙ Chapter Seven 'Once Upon a Time in Texas'S4.E8 ∙ Chapter Eight 'Shadowboxing'S4.E9 ∙ Chapter Nine 'Brother's Keeper'S4.E10 ∙ Chapter Ten 'Thanksgiving'S4.E11 ∙ Chapter Eleven 'The Fifth Stage'S4.E12 ∙ Chapter Twelve 'Upon This Rock'S4.E13 ∙ Chapter Thirteen 'Let It Bleed'S4.E14 ∙ Chapter Fourteen 'Close to You'S4.E15 ∙ Chapter Fifteen 'Pass/Fail'S4.E16 ∙ Chapter Sixteen 'The Art of Deception'S4.E17 ∙ Chapter Seventeen 'The Wall'S4.E18 ∙ Chapter Eighteen 'Brave New World'