When the Heeler home goes up for sale, Bluey is not at all happy about the news.

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.

Bluey is an inexhaustible six year-old Blue Heeler dog, who loves to play and turns everyday family life into extraordinary adventures, developing her imagination as well as her mental, physical and emotional resilience.