Giratina and the Sky Warrior (ギラティナと氷空の花束 シェイミ Giratina and the Sky's Bouquet: Shaymin) is the 11th Pokémon movie, and the second movie in the Diamond and Pearl series' time period. It premiered on July 19, 2008 in Japan and on February 13, 2009 in United States on Cartoon Network at 7:00 p.m. It stars the Pokémon Shaymin, Giratina, Regigigas and Dialga. Other significant Pokémon include Magnezone, Magneton, and Magnemite belonging to the main antagonist, Zero and his robot Infi. Zero aims to use Giratina's power over the Reverse World to rule it, however, he needs the Shaymin that Ash, Dawn and Brock have befriended to open a portal from Giratina to escape. Zero wants to destroy the Real World because it pollutes the Reverse World. Cover Pokémon is Giratina.