Shell Shocked, Part 1

Shell Shocked, Part 1 is the twelfth episode of Dragons: Race to the Edge, Season 4. It was released on Netflix on February 17, 2017. The name of episode was first revealed in the Everything Geek Podcast Interview with Douglas Sloan and Art Brown.

Overview
Hiccup doesn't know who to trust when Viggo and Ryker each tell him that the other has gone rogue, and is sidetracked when a new dragon attacks.

Characters

 * Jay Baruchel as Hiccup Horrendous Haddock III
 * America Ferrera as Astrid Hofferson
 * Christopher Mintz-Plasse as Fishlegs Ingerman
 * Zack Pearlman as Snotlout Jorgenson
 * Andree Vermeulen as Ruffnut Thorston
 * T.J. Miller as Tuffnut Thorston
 * Mae Whitman as Heather
 * Adelaide Kane as Mala
 * James Arnold Taylor as Throk
 * Nolan North as Stoick the Vast
 * Chris Edgerly as Gobber the Belch
 * David Tennant as Spitelout Jorgenson
 * Lucas Grabeel as Gustav Larson
 * David Faustino as Dagur the Deranged

Enemies

 * JB Blanc as Ryker Grimborn
 * Alfred Molina as Viggo Grimborn

Dragons

 * Toothless
 * Stormfly
 * Meatlug
 * Hookfang
 * Barf and Belch
 * Windshear
 * Shattermaster
 * Eruptodon
 * Fanghook
 * Skullcrusher
 * Grump

Transcript
The transcript for this episode is here

Trivia

 * The title comes from the term "shell shock," which is the result of stress from battle as well as a term used in various Teenage Mutant Ninja Turtles series