Hiccup had discovered Mildew framed the dragons but has destroyed all evidence of it, therefore he must prove of their innocence in order to get them back. Meanwhile, Alvin the Treacherous of the Outcast Tribe are on the mission to raid the Isle of B... (more)erk in order to find and capture the "Dragon Conqueror".

Brook Chalmers, Mark Hamill, Paul Rugg, Thomas F. Wilson