A 'Blue Gender' manga was published by Kadokawa Shoten and was released in Japan on March 9th 2000.
Many people thought that voice actress Laura Bailey sung the English ending theme song, but it was actually Daphne Gere.
The title screen was written in English instead of Japanese.
The some of the original Japanese VHS and DVD covers had nudity which was changed to different covers when released in North America by FUNimation.
The DVDs were released in CD cases.