President Spheros is throwing a party and Pac wishes his parents are there. Betrayus plans an attack on Indepacdence Day. Pac decides to see Sir Cumference and he makes a super-fast vehicle that ends up taking them back in time. He meets his parents and himself as a baby. He can't tell his parents who he is. He meets Sir Cumference in the past and has to get him some parts to fix the machine, but is also asked to babysit himself which he has a hard time with. His friends get the parts and he finds out Butt-ler has been spying on them. Just before he goes back, his parents find out who he is. Once he's back, he and his friends defeat the ghosts.