Épisodes spéciaux
Visuels
| # | Image | Titre | Diffusé |
|---|---|---|---|
| 1 |  | Magic Is Coming | 29 sept. 2012 |
| 2 |  | The Price of Magic | 14 avr. 2013 |
| 3 |  | Journey to Neverland | 29 sept. 2013 |
| 4 |  | Wicked Is Coming | 9 mars 2014 |
| 5 | Storybrooke Has Frozen Over | 28 sept. 2014 | |
| 6 |  | Secrets of Storybrooke | 1 mars 2015 |
| 7 |  | Dark Swan Rises: A Once Upon a Time Fan Celebration | 27 sept. 2015 |
| 8 | Evil Reigns Once More | 25 sept. 2016 | |
| 9 |  | The Final Battle Begins | 14 mai 2017 |
| 10 | Fairy Tales in the Modern World | — | |
| 11 | Building Character | — | |
| 12 | Welcome to Storybrooke | — | |
| 13 | The Story I Remember... Snow White | — | |
| 14 | The Fairest Bloopers of Them All (S1) | — | |
| 15 | Season 1 Deleted Scenes | — | |
| 16 | Once Upon a Time Orchestral Suite | — | |
| 17 | Wedding Procession | — | |
| 18 | Nature and Animals in Once Upon a Time | — | |
| 19 | Making the Dwarves | — |