Leonard goes trick-or-treating against his mother's wishes. Mr. Jolly and Pretty Boy suspect a stray cat of being a vampire.

Scott is thrilled at a chance to go the upcoming air show. But it conflicts with his class assignment to watch over chicken eggs.

Everyone in the class is excited when a substitute teacher takes over ... except Scott.

Spot organizes a birthday party for Leonard against his wishes.

Leonard bets his mom that Mr. Jolly can catch a mouse.

Spots chew toy is accidently sold at a yard sale and it gets in the hands of Ian.

In a Truth or Dare game, Leonard is dared to tell everyone who his favorite girl in the class is. If he admits that it's Leslie then everybody might laugh at him and it'll ruin him and Leslie's friendship and if he lies and says he has a crush on Younghee, then he might break Leslie's heart, so he decides to try a super hard dare in place of telling the truth.

While Leonard hopes to get a Mach III Game Command for Christmas, Spot searches for a lost dog hoping to collect a $500.00 reward to buy stuff for himself.

Scott realizes that the Thursday Surprise is dog food.

Spot gets fleas who talk in a French accent.