When Dr. Pacenstein and his sidekick Eeghost swap bodies with Pac-Man, Spiral and Cyli try to scare up help from the doctor's neighbor, Count Pacula.

Dr. Pacenstein and Eeghost are plotting to ruin Pac's Halloween dinner plans at Transylpacia Castle and it's up to a scary neighbor to save the night.

Events that take place exactly 1 year before the 2014 "Happy Holidays and a Merry Berry Day" episode. Pac-Man meets Santa-Pac when he has to rescue him and his round-deer from the Netherworld after he is kidnapped.

Pac-World's election is coming up and Betrayus uses Obtuse as a puppet candidate. He rigs the election and wins, hoping to find the Tree of Life and the Repository. Meanwhile, Cylindria and Skeebo begin to run for class president, with comedic results.

Soon after the election, Obtuse is to be sworn in as the new President. Pac-Man, his friends and former President Spheros smuggle the Tree of Life and the Repository out of the Round House. They then trick Betrayus and Obtuse to confess their wrongdoing to the public. After being chased out an angry mob throw both Obtuse and Betrayus out of the Round House and Spheros is re-elected at last.

Utt-lergets roped into infiltrating Pac-Man's dorm, disguised as an exchange student so that he can find psychological weaknesses for Betrayus to exploit.

Grinder decides to build a female version of himself, known as "Gridette". But when he fails to bring her to life, Dr. Buttocks captures Grindette for his evil plans to get information about the Tree of Life and the Repository.

On a camp-out, Skeebo pranks Pac, Cyli and Spiral by making them believe a legendary monster is real. The trio decide to prank him back, not knowing Betrayus is about to get into the act with his own monster.

The Easter Peep settles an old score with Betrayus, stealing his subjects and leaving him ruler of an empty Netherworld. The despicable despot has to swallow his sizable pride to elicit Pac's assistance in recovering his lost lackeys, but will Betrayus betray Pac before the stolen ghosts are rescued from Easter Egg Island? Oh, probably.

Dr. Buttocks attracts a space worm to PacWorld, and Pac and Fuzbitz are sucked into it and zapped into an Oz-like dimension called Odd.

The diabolical dentures of an evil Mummy wizard could cause the destruction of Pac-World if they are reunited with their malicious master. It's a race against time as the forces of Pac-World and the Netherworld strive to find the missing mouthpiece. But the dentures have a mind of their own, plus they bite hard!

When Dr. Buttocks infects all the computers of Pac-World with his virus ghosts, a digitized Pac must travel through cyberspace and stop the invasion before the evil scientist can download the location of the Repository and the Tree of Life.

When Spheros' and Betrayus' teenage niece visits Pacopolis, she and Pac become smitten. So Betrayus devises a plan to use his niece against Pac.