The Best Episodes Written By Gord Zajac

Evil's ""stomach"" gets ill one morning, forcing Boscov and Hector to stay in bed. However, when a world domination opportunity comes up, Stomach is removed and they head out to Great Britain in a large blimp. Their plot to hit Buckingham palace is thwarted, however, when he realizes he wants stomach there. They return to find Stomach in pretty bad condition. With a little bit of back patting from Boscov, though, the excess gas is released from Stomach and he returns to normal. Until Dr. Ghastly lights a match...

It's Halloween, Billy, Mandy and Grim go trick-or-treating. Grim mistakes a woman for Atrocia, the host of the all-night Halloween marathon on TV and goes to talk to her. Upon looking at her face, Grim realizes his mistake; however, the woman mistakes Grim for her son, Gregory, and takes him home Gregory is now Grim, and does not have a stomach. At the same time, Billy mistakes Gregory for Grim and he and Mandy take him with them. In the end, Billy and Mandy take Gregory back to his mother and Grim goes back with them.

Billy eats too much junk food that makes him feel sick. Grim prepares him a remedy using his granny's recipe, but this medicine makes a parasite to start growing in Billy's back, which Billy names Yap-yap. In the following, Billy and Yap-yap continue eating junk food, so Mandy suggest to use the antidote to the original remedy. Eventually, Yap-yap, now looking like a smaller version of Billy, detaches himself from Billy (which would have technically cured Billy without the need of him drinking the anitdote), and tries to escape from the antidote. In the end, Yap-yap drinks the antidote and is destroyed.

Billy is constantly provoked by a bully named Sperg and runs over to Grim for help.

Grim gets sick.

Grim falls for a Goth girl.

Billy and Mandy contend with Nergal Jr.

In the future, Mandy rules the world.

Mandy visits a haunted house.