Fluttershy finds an adorable creature and decides to keep it as a pet. Little does she know how much it likes fruit. Or how quickly it multiplies. The creature goes from pet to pest faster than you can say Tribble. Or Gremlin. Or Tribble-Gremlin. In unrelated news, Princess Celestia is coming to town for an "informal" visit. Can the mane six clear the town of its adorable trash before the royal pony arrives?

Find out about listening to friends, caring for the environment, and Llama-Mutant Ninja Turtles in this week's Brony Quest.