Cartoons/Series Nostalgia on Instagram: ""Dragons: Riders of Berk" is the first season of the How to Train Your Dragon TV series, airing in 2012-2013. It picks up after the first movie and follows Hiccup and his friends as they learn more about dragons and establish the Dragon Training Academy on Berk. New Dragons & Abilities : The show expands on the different species of dragons, their unique abilities, and how they interact with their riders. Villains & Threats : Alvin the Treacherous and the