The Simpsons
S5E19: Sweet Seymour Skinner's Baadasssss Song
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I come before you today to solve a riddle... that has plagued mankind for centuries. What has four legs and ticks? A walking clock? A walking clock! I'd wager he has some variety of walking clock in that box. Bart, is it a walking clock? What? No, it's my dog.
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