Adventure Time: Fionna and Cake 2023
“"I knew my life was supposed to be magic!"”
What is Adventure Time: Fionna and Cake?
Adventure Time: Fionna and Cake is an American adult animated television series that premiered on HBO Max. It is a spin-off of the earlier Cartoon Network series Adventure Time and the third main installment in the franchise.
- Type
- TV series
- Year
- 2023
- Status
- Returning Series
- Episodes
- 20
- First aired
- Aug 31, 2023
- Last aired
- Dec 25, 2025
- Original language
- EN
- Origin
- US
- Networks
- Max, HBO Max
- Genres
- Animation, Action & Adventure, Comedy, Sci-Fi & Fantasy
- Updated
Where to watch
Stream
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How long to binge?
Estimate the schedule using 20 episodes and an average 45-minute runtime.
Trailer
Overview
Adventure Time: Fionna and Cake is an American adult animated television series that premiered on HBO Max. It is a spin-off of the earlier Cartoon Network series Adventure Time and the third main installment in the franchise. The show is developed by Adam Muto and features the voices of Madeleine Martin, Roz Ryan, Tom Kenny, and Dee Bradley Baker. It follows Fionna and her best friend Cake, alongside Simon Petrikov, the former Ice King, as they travel through the multiverse. Their journey includes encounters with new threats and moments of personal growth. A primary antagonist seeks to track them down and erase them from existence. The series is aimed at mature audiences and includes content such as swearing and partial nudity. It is produced by Cartoon Network Studios in collaboration with Frederator Studios for the first season and FredFilms for the second. The show debuted in the United States on August 31, 2023.
Should you watch it?
“Fionna and Cake traverse the multiverse alongside Simon Petrikov while evading a mysterious, dangerous antagonist.”
- engaging multiverse premise
- character-driven journey
- contains potentially dangerous situations
Watch it if you enjoy exploring complex, reality-bending adventures featuring familiar characters.
The series depicts an adventurous journey that involves unknown risks and potential danger.
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Cast
Episode guide
Spoiler-Safe Browsing Progress
Season 1 · 10 episodes
Open the complete Season 1 guide & lore primer →- E1 Fionna Campbell Mytharc Aug 31, 2023
- E2 Simon Petrikov Core Aug 31, 2023
- E3 Cake the Cat Core Sep 7, 2023
- E4 Prismo the Wishmaster Core Sep 7, 2023
- E5 Destiny Core Sep 14, 2023
- E6 The Winter King Core Sep 14, 2023
- E7 The Star Core Sep 21, 2023
- E8 Jerry Core Sep 21, 2023
- E9 Casper & Nova Mytharc Sep 28, 2023
- E10 Cheers Mytharc Sep 28, 2023
Season 2 · 10 episodes
Open the complete Season 2 guide & lore primer →- E1 The Hare and the Sprout Mytharc Oct 23, 2025
- E2 The Crocodile Who Bit a Log Core Oct 30, 2025
- E3 The Lion of Embers Core Nov 6, 2025
- E4 The Cat Who Tipped the Box Core Nov 13, 2025
- E5 The Butterfly and the River Core Nov 20, 2025
- E6 The Bird in the Clock Core Nov 27, 2025
- E7 The Wolves Who Wandered Core Dec 4, 2025
- E8 The Insect that Sang Core Dec 11, 2025
- E9 The Worm and his Orchard Mytharc Dec 18, 2025
- E10 The Bear and the Rose Mytharc Dec 25, 2025
Frequently asked questions
What is the series about?
Fionna and Cake travel across the multiverse with Simon Petrikov on a journey of self-discovery.
Is there an antagonist?
Yes, a powerful new antagonist is tracking them with the intent to erase them from existence.
Who is Simon Petrikov?
He is the former Ice King who assists Fionna and Cake on their journey.
Does the show involve travel?
The story centers on a multiverse-hopping adventure.
What is the tone of the show?
It is an exciting and novel undertaking involving unknown risks.