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Watch The Big Bang Theory Season 9 Episode 10 Online

  • 7.9/10
  • COUNTRIES: United States of America
  • Subtitles: English

Sheldon has a revelation when he realizes why a song was stuck in his head. Also, Amy invites Dave over for dinner despite their previously awkward date, and Wolowitz and Koothrappali become obsessed with a fan of their band, "Footprints on the Moon".