Pokémon: Giratina and the Sky Warrior is the United States title for the 11th Pokémon movie and the second movie in the Diamond & Pearl trilogy, originally released in Japan as Pocket Monsters Diamond & Pearl the Movie: Giratina and the Bouquet of the (Frozen) Sky: Shaymin (劇場版ポケットモンスター ダイヤモンド&パール ギラティナと氷空（そら）の花束 シェイミ Gekijōban Poketto Monsutā Daiyamondo Pāru Giratina to Sora no Hanataba Sheimi). Directed by Kunihiko Yuyama and written by Hideki Sonoda, it was released in Japanese theaters on July 19, 2008 and was released in Japan on DVD on December 19, 2008. The film premiered on February 13, 2009 in the USA on Cartoon Network and was released on Region 1 DVD on March 31, 2009 and was then premiered on May 23 on Jetix in the UK. This was the first film to be distributed by Universal Studios in North America, the first time since Pokémon 3: The Movie that a film had been distributed by a Big 6 Studio (Warner Bros.), the first time since Pokémon: Destiny Deoxys that a film was from a studio owned by a major media conglomerate (Miramax), and the first anime film that Universal has ever distributed. It aired in Pakistan on August 21, 2011 on Cartoon Network Pakistan.
The movie was officially announced in a teaser trailer attached to the end of the previous film, Pokémon: The Rise of Darkrai. In the trailer, Regigigas was shown appearing from beneath the ground. This is the only teaser since Pokémon 3: The Movie to feature anything beyond a title and a release date. The theme song for the film is "ONE", by Crystal Kay, and "This is a Beautiful World", by Aaron Brotherton for the English dub.