Épisodes spéciaux
Visuels
| # | Image | Titre | Diffusé |
|---|---|---|---|
| 1 |  | Adventure Time (Pilot) | 7 déc. 2008 |
| 2 |  | The Wand | 10 juil. 2012 |
| 3 |  | How an Idea Becomes Adventure Time | 14 avr. 2014 |
| 4 |  | All's Well That Rats Swell | 6 juil. 2015 |
| 5 |  | Have You Seen the Muffin Mess | 3 août 2015 |
| 6 |  | Sow, Do You Like Them Apples | 1 oct. 2015 |
| 7 |  | The Gift That Reaps Giving | 1 nov. 2015 |
| 8 |  | Good Jubies: The Making of Bad Jubies | 15 janv. 2016 |
| 9 |  | Frog Seasons (1): Spring | 2 avr. 2016 |
| 10 |  | Frog Seasons (2): Summer | 9 avr. 2016 |
| 11 |  | Frog Seasons (3): Autumn | 16 avr. 2016 |
| 12 |  | Frog Seasons (4): Winter | 23 avr. 2016 |
| 13 |  | Frog Seasons (5): Spring (Again) | 2 sept. 2016 |
| 16 |  | Diamants et citrons | 20 juil. 2018 |