Fireman Sam: Float Your Boat/Lights Camera Avalanche/Boyce Will Be Boyce/Hot Air/Fire on the Water

Charlie is having a day at the beach with James and Sarah. But today is not Charlie's day. It seems that everything he does turns in to a disaster and makes him look uncool. / The Pontypandy Pioneers are working towards their construction badges and what better way to do it than to build a treehouse under the supervision of Mike Flood! / Station Officer Steele hurts his back and Chief Fire Officer Boyce fills in his role for the day. / It's a very hot day in Pontypandy and Trevor Evans refuses to accept that his old bus may not make it up the mountain. When the engine overheats Trevor ignores Norman's advice. / While Professor Pickles leads a search for an ancient cannon called the Scarlet Firestorm, a fire breaks out on the water covered in oil!