When Hookfang's flame goes out after Snotlout pushes his training too hard, the kids have to figure out how to reignite it with the burning heat of Fireworm dragons before it's too late, but not before discovering that Fireworms act similar to bees in a beehive, and they have an angry queen, too!
Guest Cast

David Tennant
voices Spitelout JorgensonCast Appearances

Jay Baruchel
voices Hiccup Haddock
America Ferrera
voices Astrid Hofferson
T.J. Miller
voices Tuffnut Thorston
Zack Pearlman
voices Snotlout Jorgenson
Andrée Vermeulen
voices Ruffnut ThorstonEpisode Discussion
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