Marge teaches Bart at home after Skinner expels him. Lisa is horrified to find that it is Whacking Day,when Springfield citizens beat snakes to death so,helped by Barry White,she and Bart rescue the snakes by directing them to the Simpsons' house. Bart discovers that the real origin of Whacking Day was to beat up Irishman,a fact which impresses Skinner who lets him back in the school.
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