He-Man/ThunderCats illusion any longer, and Castle Grayskull is revealed in front of the final Spirit. The Spirit attacks the Castle and the Sorceress manages to hold a protective shield to keep the Castle safe. Panthro and Man-At-Arms aim the cannon at the Spirit and fire, knocking it back. Before they can fire again the Spirit grabs Man-At-Arms and Panthro leaps to free him. While the Spirit is distracted by the two Tygra manages to aim the cannon at the Disk and fire, destroying the last Spirit. As the heroes celebrate, Skeletor watches and comments to Mumm-Ra that the Spirits did better
I Want to Destroy America title of the film comes from an off-hand comment Shinagawa makes about wanting to destroy the U.S. system. In his review of the DVD release, critic John Wallis notes, ""I Want to Destroy America" is formatted with Hisao speaking for himself. Interview audio and footage is placed over still and stock footage and the modern footage, some of it fly-on-the-wall, some of it atmospherically staged," and concludes that the film is an "interesting portrait of an outsider artist who has an amazing life. Hisao Shinagawa is strange, passionate, and one of those people who lives his life on his own