Upon becoming leaders of their kind, Hiccup and Toothless are forced to make choices that will truly ensure peace between people and dragons. Together with his friends, he manages the village's allied dragon population in defense of his home as leader of a flying corps of dragon riders.

Although initially dismissed as a clumsy and underweight misfit, he soon becomes renowned as a courageous expert in dragons, alongside Toothless, a member of the rare Night Fury breed as his flying mount and his closest companion. The franchise primarily follows the adventures of a young Viking named Hiccup Horrendous Haddock III (voiced by Jay Baruchel), son of Stoick the Vast, leader of the Viking island of Berk. Unlike past entries in the franchise, The Nine Realms is set in the 21st century, specifically 1,300 years after the events of The Hidden World. A third series, Dragons: The Nine Realms, began streaming on Hulu and Peacock in December 2021, with Rescue Riders transferring to Peacock beginning with the third season under the Heroes of the Sky subtitle. A second series, titled Dragons: Rescue Riders, began airing on Netflix in 2019 and features a completely different cast and locale than the original series of films and TV shows, but is set in the same universe.

The characters are older and it served as a prequel to the second film, running from June 2015 to February 2018. After the two seasons on Cartoon Network, the series was given the new title Dragons: Race to the Edge. The first and second seasons were titled Dragons: Riders of Berk and Dragons: Defenders of Berk respectively. The television series based on the events of the first film, DreamWorks Dragons, began airing on Cartoon Network in September 2012. A live-action reboot from Universal Pictures is in development and scheduled for release on March 14, 2025. The franchise also contains five short films: Legend of the Boneknapper Dragon (2010), Book of Dragons (2010), Gift of the Night Fury (2011), Dawn of the Dragon Racers (2014) and How to Train Your Dragon: Homecoming (2019). It consists of three feature films: How to Train Your Dragon (2010), How to Train Your Dragon 2 (2014) and How to Train Your Dragon: The Hidden World (2019). How to Train Your Dragon (abbreviated HTTYD) is an American media franchise from DreamWorks Animation and loosely based on the eponymous series of children's books by British author Cressida Cowell. How to Train Your Dragon: The Hidden World.

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