All of the sudden, the animals in the Park begin wearing yellow clothes and even painting themselves yellow! Fishtronaut, Marina, and Zeek discover that Julia had brought her little puppies to the park all decked out in yellow clothes and accessories, and now all the park animals want to copy them so they can "be in fashion too. Our heroes try to show everyone how each person is beautiful the way they are, that they're all beautiful in their own unique way.
Marina has been saving up her allowance to buy a birthday present for Dr. Green, but she doesn't quite have enough. While Marina is counting the coins out of her piggy bank she is explaining to Zeek what coins are and how they work. A parrot, who overhears the conversation, mistakenly thinks bananas can work as coins and quickly begins hoarding all the bananas in the park, even using some to buy things from other the animals. Marina, Zeek, and Fishtronaut are on mission to find out where all the bananas have disappeared to and clear up this who