Description by couchtuner for The Simpsons Season 18 Episode 14 : Principal Skinner decides to allow Lisa tutor Cletus’s kids instead of them enrolling into Springfield Elementary, but they end up on Krusty’s show as a musical act. Bart sees a psychiatrist after telling a scary ghost story in the cafeteria in an unsuccessful attempt to get free food.
Watch It Here : The Simpsons Season 18 Episode 14 Yokel Chords