Dennis sells more tickets than seats and the concert is over-booked. Ena discovers that the performers, the "Blue Streak Rockets", were banned and the police tell them they cannot perform. The Walkers go to a Brewery Dance, planning to stay the night in a plush hotel. Ena locks the piano lid but Minnie opens it with a hair pin. She entertains the audience of four hundred with constant renditions of Goodbye, Dolly Gray. Captain Johnson and his troupe break down but send the sealions, Bunny and Sherry on. Dennis has to cancel the concert, causing an uproar. Ena gets drunk with the Rockets. Dennis is stuck with the Rockets and sealions for the night. He gets the Rovers' key off Concepta and installs them in the pub. The Walkers return home to find sealions in the bath and the Rockets in their bed (thetvdb.com)