Hiccup and the gang investigate a large pit in the middle of a forest -- and they find a hostile underground tribe thereà Meanwhile, Stoick faces a threat from the past -- the giant sea monster, the Submaripper.
Hiccup and the gang investigate a large pit in the middle of a forest -- and they find a hostile underground tribe thereà Meanwhile, Stoick faces a threat from the past -- the giant sea monster, the Submaripper.
General Note
Based on the television program DreamWorks Dragons.
