| Title | Caps | Air Date |
| 1 The Second Coming | 641 | 22 Sept 2008 |
| 2 The Butterfly Effect | 561 | 22 Sept 2008 |
| 3 One of Us, One of Them | 698 | 29 Sept 2008 |
| 4 I Am Become Death | 439 | 6 Oct 2008 |
| 5 Angels and Monsters | 495 | 13 Oct 2008 |
| 6 Dying of the Light | 546 | 20 Oct 2008 |
| 7 Eris Quod Sum | 368 | 27 Oct 2008 |
| 8 Villains | 432 | 10 Nov 2008 |
| 9 It's Coming | 343 | 18 Nov 2008 |
| 10 The Eclipse, Part 1 | 328 | 24 Nov 2008 |
| 11 The Eclipse, Part 2 | 323 | 1 Dec 2008 |
| 12 Our Father | 340 | 8 Dec 2008 |
| 13 Dual | - | 15 Dec 2008 |
| 14 A Clear and Present Danger | - | 2 Feb 2009 |
| 15 Trust and Blood | - | 9 Feb 2009 |
| 16 Building 26 | - | 16 Feb 2009 |
| 17 Cold Wars | - | 23 Apr 2009 |
| 18 Exposed | - | 2 Mar 2009 |
| 19 Shades of Gray | - | 9 Mar 2009 |
| 20 Cold Snap | - | 23 Mar 2009 |
| 21 Into Asylum | - | 30 Mar 2009 |
| 22 Turn and Face the Strange | - | 6 Apr 2009 |
| 23 1961 | - | 13 Apr 2009 |
| 24 I Am Sylar | - | 20 Apr 2009 |
| 25 An Invisible Thread | - | 27 Apr 2009 |
