You keep calling me pops

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.

The surreal misadventures of two best friends - a blue jay and a raccoon - as they seek to liven up their mundane jobs as groundskeepers at the local park.

Can I call you Daddy?