Animaniacs
Woodstock Slappy (1x145)
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Slappy and Skippy want to go to her summer cottage, but when they get there the see that they are in the middle the 1960's musical festival Woodstock. Skippy marvels at the music, but Slappy wants them to go away. She doesn't have much success until she decides to play some music herself. She plays a polka and everyone runs.