From Bulbapedia, the community-driven Pokémon encyclopedia.
Alliance Atlantis Communications, Inc. was a Canadian entertainment production and distribution company founded in 1998 from the merger of two other companies, Alliance Communications and Atlantis Communications.
Through its Motion Picture Distribution LP unit, it was responsible for the Canadian distribution of films produced by Miramax Films, therefore Alliance Atlantis owned the Canadian distribution rights to the three Pokémon movies that Miramax Films released in the United States: Celebi: Voice of the Forest, Pokémon Heroes, and Jirachi: Wish Maker.
In 2007, following the collapse of Alliance Atlantis, Alliance Atlantis was acquired by Canwest Global Communications and an affiliate of Goldman Sachs. Therefore, the company was re-launched as Alliance Films. The re-named Alliance Films continues to hold the Canadian rights to films produced by Miramax Films, and therefore to Celebi: Voice of the Forest, Pokémon Heroes, and Jirachi: Wish Maker.
All of the former Alliance Atlantis specialty networks are now owned by Shaw Communications through its Shaw Media Division (formerly CW Media) as of October 27, 2010.