Tommy Chong couldn't do a Spanish accent, so while all the other Spanish characters imitate Spanish English, he just does a speech impediment instead. He admitted so himself in the 'making of'.
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The caption says "twenty years later" before the main part of the movie starts. Now judging by the dates we've seen on-screen so far that would be in the reign of William and Mary, not Queen Anne. See more...
Tommy Chong couldn't do a Spanish accent, so while all the other Spanish characters imitate Spanish English, he just does a speech impediment instead. He admitted so himself in the 'making of'.
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