Fionna and Cake – with the help of the former Ice King, Simon Petrikov - embark on a multiverse-hopping adventure and journey of self-discovery. All the while a powerful new antagonist determined to track them down and erase them from existence, lurks in the shadows.
Where to watch
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HBO Max
see all options Availability data: JustWatch
- Seasons
- 2
- Episodes aired
- 20
- Latest aired
- S02E10
- Total runtime
- 8h 20min
Timeline when each season aired
- Season 1 August 2023 – September 2023 10 episodes
- the show was away for 2 years
- Season 2 October 2025 – December 2025 10 episodes
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S01E01 Fionna Campbell
August 31 · 26min find the promo
Show synopsis
After a disastrous morning, a down-on-her luck Fionna seeks treatment for an out-of-sorts Cake.
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S01E02 Simon Petrikov
August 31 · 27min find the promo
Show synopsis
Struggling to find his place as a human in a magical world, Simon considers taking desperate measures before embarking on a quest with an old friend.
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S01E03 Cake the Cat
September 7 · 24min find the promo
Show synopsis
While Cake crash-lands in a fantastic new world, Fionna continues her search after witnessing something impossible.
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S01E04 Prismo the Wishmaster
September 7 · 24min find the promo
Show synopsis
Fionna, Cake, and Simon converge in a strange place to discover how they're connected.
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S01E05 Destiny
September 14 · 25min find the promo
Show synopsis
Pursued by a powerful enemy, Fionna, Cake and Simon venture through a lawless world in search of a magical artifact.
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S01E06 The Winter King
September 14 · 25min find the promo
Show synopsis
After landing in the Winter Kingdom, Fionna and Simon discover a possible solution to their problems. Marshall Lee helps Gary with a baking project.
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S01E07 The Star
September 21 · 25min find the promo
Show synopsis
Cake is recruited by a band of skilled vampire hunters. Gary and Marshall Lee attend a black-tie party.
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S01E08 Jerry
September 21 · 26min find the promo
Show synopsis
Stranded in a desolate wasteland, Fionna, Cake and Simon must resort to desperate measures to escape.
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S01E09 Casper & Nova
September 28 · 25min find the promo
Show synopsis
While Simon experiences a cosmic detour, doom closes in on Fionna and Cake.
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S01E10 Cheers
September 28 · 27min find the promo
Show synopsis
Simon battles his demons as Fionna, Cake and friends fight for their world.