Hiccup grows wary when Gruffnut arrives on the twins' 19th birthday to administer a Thorston coming-of-age ritual involving three dangerous challenges.
Released: Jan 01, 1970
Runtime: 00:23:14 minutes
Genre: Family, Kids, Animation, Action & Adventure, Sci-Fi & Fantasy
Stars: Jay Baruchel, America Ferrera, Zack Pearlman, Christopher Mintz-Plasse