Contains infinite genders!
: Buying the series on Amazon Prime Video or Apple TV provides high-quality English subtitles for every episode.
For those who prefer owning the series, subtitles are a standard feature on retail versions: Adventure Time (2010) English subtitles
: For local files without subtitles, the Google Chrome browser has a built-in "Live Caption" feature that can generate text in real-time as you play the video through the browser. : Buying the series on Amazon Prime Video
Most major streaming services include built-in English subtitles (Closed Captioning) for all 10 seasons of the show: including English. Alternative Methods
: A popular alternative for finding various language tracks, including English. Alternative Methods