Princess Memorial
Ms. Sanada purchases a video camera through the Galactic Internet Shopping Page so that she can film Princess Valkyrie. She happens to film a scene where Valkyrie is playing with Hydra and accidentally activates the automatic defense system on Hydra’s UFO. Valkyrie and Hydra work together to stop the out of control UFO.
Aired 08/08/2002EP 6 - Princess Memorial
UFO Ultramaiden Valkyrie
UFO Princess Warukyure, aka UFO Princess Walkyrie is about a princess from outer space who accidentally crashes on earth, where Kazuto desperately tries to maintain the public bath of his grandfather. Due to circumstances, Kazuto receives part of princess Walkyrie's soul which forces her to stay there with him. But that's not the only problem ... because her soul lost strength, the princess transforms both mentally and physically into a little kid!
(Source: AniDB)