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THX is a real-life sound system used for several movies. The noise is so loud it caused the room to shake, the fire exit sign to be smashed and a person's head to explode. When it was over, people were cheering, unlike Grandpa, who asked to turn it up. 

Appearances

Trivia

  • The deep note is the exact same deep note in the real logo.
  • THX executives liked the scene so much, that it was re-animated in widescreen and used as an official THX trailer in movie theatres.
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