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- Season 6 Episode 5 A Gruff Separation

Trailer
Hiccup grows wary when Gruffnut arrives on the twins' 19th birthday to administer a Thorston coming-of-age ritual involving three dangerous challenges.

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First Air Date: Jan 01, 1970

Last Air date: Jan 01, 1970

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Episode: Episode

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IMDb: /10 by users

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