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.

In a world of noise, Clarence is a jar of sunshine, pure and simple. He sees the world only in his favorite colors: goofy grape and neon green. Clarence values his friends Jeff and Sumo and his mother Mary more than gold. No matter what happens, good or bad, nothing brings Clarence down.

Five seniors who were childhood best friends come together because of a dead classmates video for a million dollar treasure hunt inside Boone high school.