Dragons: Race to the Edge - Season 5 - Eps 13: Sins of the Past
When Heather goes to meet a man claiming to have seen Oswald, she walks into a trap that forces the Dragon Riders to pay a dear and unexpected price.
About Dragons: Race to the Edge

Title: Dragons: Race to the Edge
First Air Date: 2015-06-26
Last Air Date: 2018-02-16
Status: Ended
Rating: 8.343/10 (from 396 votes)
Language: EN
Seasons: 6
Total Episodes: 78
Network: Netflix
Genres: Family, Kids, Animation, Action & Adventure, Sci-Fi & Fantasy
Production Companies: DreamWorks Animation Television
Synopsis
Unlock the secrets of the Dragon Eye and come face to face with more dragons than anyone has ever imagined as Hiccup, Toothless and the Dragon Riders soar to the edge of adventure.
Cast

Jay Baruchel
Hiccup (voice)

America Ferrera
Astrid (voice)

Zack Pearlman
Snotlout (voice)

Christopher Mintz-Plasse
Fishlegs (voice)