The tenth Pokemon movie and the first one of the Diamond & Pearl Saga. Ash and his friends are on their way to a Pokemon Contest in Alamos town when they come across Time-Space Tower. They find that something is giving both children and Pokemon horrible nightmares. Only the trainer Baron Alberto seems to know the cause, the mysterious creature called Darkrai. As the heroes try and confront it, the masters of time & space Dialga & Palkia emerge from another dimension, and the ensuing battle may put the whole Universe at risk. This film was released to Japenese theaters in 2007 and premiered in the U.S on Cartoon Network in 2008 before release to DVD.