Charlie and the Chocolate Factory (musical) the Teavees board the S.S. Wonka, a bathtub-shaped boat, and travel through an underground river deep below the factory. Charlie and Grandpa Joe, who were too slow to catch the boat, are forced to swim behind them wearing scuba helmets. Wonka leads them into the TV room, much to Mike's delight. Wonka demonstrates Chocolate Television, which uses a machine to send chocolate bars to TV screens. Mike's obsession with electronics overcomes him and, despite his mother and Wonka's protests, he uses the machine to teleport himself into a television set. However, they cannot locate him on the usual channel, so
Charlie and the Chocolate Factory (musical) all the hoopla on the red carpet. Finally, the moment of truth arrives. With a choral fanfare, the factory door swings open and all eyes to turn to see the mysterious Willy Wonka, invites the Golden Ticket winners into his factory to see all the wonders ("It Must Be Believed to Be Seen"). Wonka gathers the ticket winners and explains the rules and regulations of the factory ("Strike That! Reverse It!"). With the contracts signed, Wonka then welcomes them into the Chocolate Room. As the children explore, the parents ask Wonka what its purpose is and Wonka bemusedly explains that