The manga series was republished in different formats in Japan. Viz Media released the series in North America in the 1990s under the names Lum and The Return of Lum, but dropped it after nine volumes. They re-licensed the manga and began releasing an omnibus edition under its original title with new translations in 2019. The television series, OVAs, and five of the films were released in North America with English subtitles, as well as a dub for the films by AnimEigo. They provided extensive notes on the series to allow people to understand the many cultural references and jokes in the series that would not normally be understood by non-Japanese. The remaining film, "", was released bilingually by Central Park Media. Five of the films, as well as the OVAs, are available from MVM Films in the United Kingdom. The series was released on television in Southeast Asia as Lamu the Invader Girl.