The first movie "How to Train Your Dragon" (2010) is an animated fantasy film set in the Viking village of Berk, where dragons frequently attack. The story follows Hiccup, an undersized teen who wants to become a dragon slayer like others, but after shooting down a rare Night Fury dragon, he befriends it instead. Naming the dragon Toothless, Hiccup learns about dragons' true nature and strives to change the villagers' long-held belief that dragons are enemies. Hiccup secretly trains Toothless to fly again with a prosthetic tail fin and teaches others that dragons can be peaceful. However, conflict arises when the village chief Stoick discovers Hiccup's friendship with Toothless and disowns him. The climax involves Hiccup and his friends teaming up with dragons to defeat the giant dragon called the Red Death, which controls other dragons by force. The movie ends with the Vikings and dragons living in harmony. This film is notable for its strong themes about friendship, acceptance, and understanding, and it was critically acclaimed for its animation, voice performances, and musical score. It also launched a successful franchise including sequels and a live-action remake released in 2025.