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Watch The Adventures of Mary-Kate & Ashley: The Case of the Volcano Mystery (1997) Online

  • 6.5/10
  • RUNTIME: 0h 25m
  • COUNTRIES: United States of America

The girls receive a call from some miners of marshmallows that a snowball-throwing monster has been "terrorizing" them. The girls eventually find out that the "snow" is really ash, and the "monster" is actually a geologist warning them that an active volcano is not a safe place to work.