 In this episode, it is finally Michelle s fifth birthday party. Everyone dresses up. Dj dresses up as Wilma in Michelle s Flintstones themed party. Stephanie dresses up as Betty Flinstone, Danny, is Dino and all of the kids wear cave men clothes. Comet has a dinosaur costume on and Jesse is dressed up as Fred. Just as Jesse plans to go downstairs to celebrate Michelle s birthday, Becky goes into labor... and so does Jesse, but we soon learn that he has appendicitis. Michelle has to cut her birthday short, but she doesn t mind because her new cousins, Nicky and Alex, get to share her birthday. She especially can t wait because triple the birthday means triple the cake!