Adventure Time: Fionna and Cake
| Adventure Time: Fionna and Cake | |
|---|---|
| Genre | Adult animation Action adventure Comedy |
| Based on | Adventure Time by Pendleton Ward Characters by Natasha Allegri |
| Developed by | Adam Muto |
| Showrunner | Adam Muto |
| Story by |
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| Voices of | |
| Composer | Amanda Jones |
| Country of origin | United States |
| Original language | English |
| No. of seasons | 2 |
| No. of episodes | 20 |
| Production | |
| Executive producers |
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| Producer | Debora Arroyo |
| Running time | 23–26 minutes |
| Production companies |
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| Original release | |
| Network | Max |
| Release | August 31 – September 28, 2023 |
| Network | HBO Max |
| Release | October 23 – December 25, 2025 |
| Related | |
| Infobox instructions (only shown in preview) | |
Adventure Time: Fionna and Cake is an American adult animated television series developed by Adam Muto for the streaming service HBO Max. It is a spin-off of the Cartoon Network series Adventure Time (2010–2018) and the third main installment in the Adventure Time franchise. The series debuted on August 31, 2023, and the second season premiered on October 23, 2025.
The series follows the eponymous Fionna and Cake the Cat, alternate-universe versions of Adventure Time's main characters: Finn the Human and Jake the Dog. Fred Seibert and Sam Register serve as executive producers alongside Muto, who himself served as showrunner for the last six seasons of Adventure Time and oversaw production of the Distant Lands specials.