What Flies Beneath
S01E14 - Airdate: 2013-02-06
Runtime: 30 min
Toothless encounters a Whispering Death, that happens to be a rival from his past. Blinded by their grudge against each other, Toothless runs away to confront the rival alone. Hiccup must find Toothless and reason with him before the rivalry turns fatal.
Episode details and rating from TVmaze.