Dorothy the Dinosaur, Wags the Dog, Henry the Octopus, Captain Feathersword and all of The Wiggles' friends are on their way to Wigglehouse for a barbecue party, but Murray doesn't have his red Wiggle shirt! Do The Monkey with Greg, Murray, Anthony, Jeff and all the Wiggly dancers, and help Henry the Octopus pack food, cups and a blanket for a picnic in the Underwater Mountain with his friends.