ET was on set with the cast of ‘Home Alone’ during Kevin’s showdown with the Wet Bandits! Daniel Stern breaks down the movie’s famous homemade traps, Joe Pesci reveals the backstory to Harry's fake swearing and a 9yearold Macaulay Culkin tells ET what he loves about filming the movie, while Catherine O'Hara says she hopes the John Hughes film will become 'a good Christmas movie.' At the end, watch John Williams perform his Oscarnominated score to the nowiconic classic, which celebrates its 30th anniversary this year.

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