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Monster in the Mirror

  • Aired: 01/01/1989
  • 02:25
  • Rating: NR
Find out what makes Grover sing, 'Wubba wubba wubba woo.' This segment debuted in the 1989 - 1990 season.
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Monster in the Mirror
Monster in the Mirror
Do not "wubba" a monster or he will "wubba" you!
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