DreamWorks Dragons (2012)

S01E11 Heather Report, Part 2

Heather's treachery led to the Book of Dragons being seized by Alvin the Treacherous, resulting in her capture on Berk. To retrieve the book from Alvin, Astrid takes on Heather's identity and ventures into Outcast Territory. As her mission unfolds, Astrid uncovers and verifies Heather's genuine intentions behind her alliance with the Outcasts.