Timmy's teacher, Mr. Denzel Crocker, calls for a conference with Timmy's parents for a suspicious show-and-tell project. Not wanting to let his real parents find out, Timmy asks Cosmo and Wanda to pose as his parents. Crocker, who knows that Cosmo and Wanda are fairies, sets up traps for them to prove their existence. However, Principal Waxelplax ends up trapped and gets mad at Crocker in the end.