Finny’s friend Myrtle the Turtle is coming over to watch their favorite TV show; Wonder Shark! But just as the show is getting good, the TV breaks! Mama Shark suggests Finny and Myrtle find something else to do while they wait for the Repairfish. But what?! The two really wanted to see what happens next in the show! That’s when Myrtle gets an idea; why don't they make up what happens next themselves? So, Myrtle and Finny use costumes and their imaginations to play out the story.