Arthur and the gang cope with a dangerous hurricane. Muffy has to put up with shelter life, LaDonna's father has to aid in disaster relief, Arthur worries for stranded pets and the Brain learns to overcome trauma.
When a powerful hurricane hits Elwood City, everyone's affected. Ladonna's dad is called up by the Army Corps of Engineers. Muffy relocates to a shelter, while Arthur struggles to reunite lost pets and owners. And Brain seeks the help of a therapist--voiced by special guest Idina Menzel--to help him manage his anxiety.