Otaku Unite! is a feature-length documentary on the history of Japanese animation fandom in the United States: from the importation of anime in the early 60s to the current boom in both the visibility and accessibility of its accompanying fandom. Otaku Unite! is a feature-length documentary on the history of Japanese animation fandom in the United States: from the importation of anime in the early 60s to the current boom in both the visibility and accessibility of its accompanying fandom. Otaku Unite! is a feature-length documentary on the history of Japanese animation fandom in the United States: from the importation of anime in the early 60s to the current boom in both the visibility and accessibility of its accompanying fandom. Otaku Unite! is a feature-length documentary on the history of Japanese animation fandom in the United States: from the importation of anime in the early 60s to the current boom in both the visibility and accessibility of its accompanying fandom.