* The Battle of Hogwarts: During the battle, a dragon is briefly seen flying above the castle. It's not clear who's riding it or what its purpose is.
* The Triwizard Tournament: Although it takes place in *Goblet of Fire*, the Triwizard Tournament features dragons as a dangerous challenge, and this event is referenced in *Deathly Hallows Part Two*.
* Dumbledore's Army: In *Order of the Phoenix*, the flying lesson with Hagrid's dragon is mentioned in *Deathly Hallows Part Two*.
So, while no dragon takes a starring role in the movie, they are present in the background and referenced in the story.