Dana plays Cupid on Valentine's Day; students mistake a wandering cow for their substitute teacher.

Myron uses a nose flute to control his friends, but it also makes the cows attack the school. Later, the students mistake a pile of stage props for a wishing well and Kidswatter wants to use it to relive a bullfight from his youth.

Maurecia ends up in the 29th floor Honors Class, which has only one other student: Sammy the Dead Rat. Myron adopts a head of lettuce as his baby brother.

Kidswatter mistakes Fluffy the porcupine for a hairpiece; Louis returns to class and Todd is jealous of the attention he gets, so he tries to make him graduate quickly to get rid of him.

Myron names sleeping Shari his new best friend after he and Dana have a fight. Todd is named king by the kindergartners after he rescues a stuffed animal.

Principal Kidswatter runs a home-shopping channel out of his office, selling items made by the students as part of a new “arts” curriculum. Later, Todd and Kidswatter get stuck in the school's elevator.

Dana decides to visit every floor of Wayside and the kids realize they need to stop her before she gets to the “missing” 19th floor. Myron holds auditions for a new personal hero after Kidswatter rejects him.

The school is up for grabs in a climbing contest between Le Chef and Miss Mush; Dana tries to maintain her perfect attendance record while helping her friends.

Dana finds an entertaining new use for Rat until Miss Mush intervenes; Todd crusades to save an octopus targeted by Kidswatter.

Kidswatter discovers the joys of teaching after substituting; Maurecia agrees to be one of the three Erics when Small Eric changes his name.