Practical Hoax (S02E06)

Jason and Michelle embark on a spree of practical jokes aboard the ship, but their humor falls flat for the unsuspecting victims. Soon after, the crew is called upon to fill in as substitute teachers at the Academy. While assisting, Jason and Michelle get a taste of their own medicine when they become targets of pranks. Meanwhile, Cavitus sneaks into the school with plans to take down the Penguins. As tensions rise, the Penguins discover that jokes can hurt when taken too far. In the end, Cavitus escapes, revealing that he and Bert the Hamster are actually the same person!