[3][4][5] Jay Baruchel, America Ferrera, Christopher Mintz-Plasse, T.J. Miller, and David Tennant reprise their voice-acting roles from the film.

The series (alongside the Netflix exclusive, All Hail King Julien) is syndicated as part of the newly rebranded Universal Kids on September 9, 2017.

On October 12, 2010, it was announced that Cartoon Network had acquired worldwide broadcast rights to a weekly animated series based on the film.

Brian Lowry of Variety reviewed the series: "The program is dazzling visually, and pretty effortlessly picks up where the narrative left off," although he noted the initial episodes' "lack of actual villains" and "not-particularly-stirring array of characters".

It's so crisply drawn and fluid that a person of a certain age would be forgiven for wondering how on earth we survived with things like Scooby-Doo and The Perils of Penelope Pitstop.

[33] Players will go through a tutorial with Hiccup, and train a Deadly Nadder, before being able to free roam around the several islands in the Barbaric Archipelago, with dragons scattered around them.

Players complete challenges to earn gold for buying tools to obtain food for training dragons.

[37] In December 2013, Walmart released an exclusive pack containing the Complete 1st Season in a special edition "Toothless" plastic package.

[38] A DVD collection of the first 10 episodes of the second season, titled Dragons: Defenders of Berk: Part 1, was released on March 25, 2014.