 When the Simpson family go to an Australian pub , Bart plays with a <unk> at the table and a man asks him : " You call that a knife ? " , and as the man draws a spoon from his pocket he says : " This is a knife . " The scene is a reference to a famous scene from Crocodile Dundee in which Mick Dundee is threatened by some thugs with a <unk> , and Mick takes out a <unk> knife and says ; " That 's not a knife ; that 's a knife ! " The Simpson family is shown a slide show by the US Department of State depicting a boarded up cinema with a sign out the front saying " Yahoo Serious Festival " , in reference to the Australian actor and director Yahoo Serious . <unk> , one of the characters from the 1981 film Mad Max 2 : The Road Warrior , is seen in the Australian mob that chases Bart and Homer to the American Embassy . 
