After getting his picture painted with his father, Hiccup begins to fear that he is not Stoick's ideal son, so to prove himself, he and his friends set out on a treasure hunt that even Stoick had not been able to complete.
Elenco:
Jay Baruchel
,
America Ferrera
,
Christopher Mintz-Plasse
,
T.J. Miller
,
Zack Pearlman
.