Our heroes need to take a trip in time, in a Time Machine, in order to recoup the essence of the four elements before the Earth gets frozen. The Gang will face the dangers of the Ancient History with Piteco, will help Papa-Capim to save the Forest, will fight with the Astronaut against the pirates and will even meet themselves as babies in the past!

After a high school lab experiment goes horribly wrong, Mordecai and Rigby must go back in time to battle an evil volleyball coach in order to save the universe — and their friendship.

Embarking on a whimsical adventure, Monica and her friends take center stage in four captivating tales. The first, "O Plano Infalível," showcases Jimmy Five's latest scheme to defeat Monica and her indomitable bunny companion. In "Um Amor de Ratinho," Monica attends a costume party dressed as a mouse, unaware that a small mishap would awaken a genuine mouse's affectionate feelings towards her. The third story, "A Ermitã," sees Monica bid farewell to her friends, venturing alone into the heart of the forest to live an independent life. Lastly, in "O Império Empacota," Jimmy Five's courage and true affection for Monica are unveiled when he fearlessly engages in an interplanetary battle against aliens, all in an effort to save his beloved big-toothed friend.