Four Wembleys and a Birthday Wembley's friends want to celebrate his birthday with different activities. His attempts to participate in all of them end up splitting him into four, individual versions of himself. Meanwhile, Cotterpin makes a gooey discovery in a strange vine. In Outer Space, Doc takes to the internet to bring attention to the ocean's plastic problem. Note: The episode's title is a reference to Four Weddings and a Funeral.