Adventure Time: Fionna and Cake

2023 • TMDB 8.7 • 2 seasons • Animation, Action & Adventure, Comedy, Sci-Fi & Fantasy

Overview

In a world without magic, Fionna Campbell is an ordinary young woman working dead-end jobs and wondering why her life feels like it is missing something. Her cat, Cake, can stretch into almost any shape but cannot stretch their rent money any further. When a mysterious figure from another universe comes hunting for them, Fionna discovers that she and Cake are not just characters in someone else’s stories — they are real, and their existence is a problem for the powers that guard the multiverse.

With the help of Simon Petrikov, the former Ice King, now a man trying to make peace with his past, Fionna and Cake hop between strange worlds, each one a twisted reflection of the Adventure Time universe fans know. The journey is funny and surreal, but it is also about growing up: learning to want more from life, to face old mistakes, and to choose who you become when the story stops telling you. Season two deepens that search, bringing back familiar faces in unfamiliar forms.

Creator and Main Cast

Adventure Time: Fionna and Cake was created by Adam Muto. The voice cast is led by Madeleine Martin as Fionna, Roz Ryan as Cake, Tom Kenny as Simon Petrikov, Jeremy Shada as Finn, Hynden Walch as Princess Bubblegum, Pendleton Ward as Ellis P, Dee Bradley Baker in multiple creature roles, and Ashly Burch as Huntress Wizard.

Seasons Snapshot

• Season 1 (2023) — 10 episodes.
• Season 2 (2025) — 10 episodes, concluding with “The Bear and the Rose” on December 25, 2025.

Why Watch Adventure Time: Fionna and Cake

Fionna and Cake is the rare revival that understands why the original mattered and still dares to be its own show. It keeps Adventure Time’s wild imagination and joke density, but aims them at grown-up questions: what do you do when the adventure you were promised never arrives, and how do you start over when you are the one who has to write the story? Fionna is a wonderfully prickly, funny lead, Cake steals every scene she stretches into, and Simon’s quiet, melancholy arc gives the whole multiverse-hopping romp an emotional anchor. Come for the weird worlds; stay for the feeling that it is never too late to want more.

Trailer

Watch the official trailer on YouTube: Adventure Time: Fionna & Cake | Official Trailer | Max.

Where to Watch

In the US, Adventure Time: Fionna and Cake streams on HBO Max (2 seasons) and through the HBO Max Amazon Channel. See the JustWatch US page for Adventure Time: Fionna and Cake for the latest options.