At the beginning of the credits, after the title of the film is shown, there are scenes from the previous and current films that shows Hiccup's and Toothless' relationship.
Like the previous two installments, the movie's title doesn't show up until the very beginning of the main-on-end credits.
A new DreamWorks Animation logo appears with this film: it starts off in hand-painted 2D form then transitions into animated 3D form.
The film's production designer Pierre-Oliver Vincent is credited with his nickname "POV."
The second half of the main-on-end credits shows various animations that represent to each production category.
The only How To Train Your Dragon film that has the red font during the end credits and has a black background. The other two previous ones had a gold background and light brown text.