Darkest Night

 is the tenth episode of Dragons: Race to the Edge, Season 6. It was released on February 16, 2018.

Cast

 * Jay Baruchel as Hiccup Horrendous Haddock III
 * America Ferrera as Astrid Hofferson
 * Christopher Mintz-Plasse as Fishlegs Ingerman
 * T.J. Miller as Tuffnut Thorston
 * Andree Vermeulen as Ruffnut Thorston
 * Zack Pearlman as Snotlout Jorgenson