Ranma ½: Chou Musabetsu Kessen! Ranma Team vs. Densetsu no Houou
English name: Ranma ½: Team Ranma vs. The Legendary Phoenix
Genres: Action, Adventure, Comedy, Supernatural
Type: Movie, Episodes: 1
Aired: Aug 20, 1994
Studio: Studio Deen
Source: Unknown
Rating: PG-13 - Teens 13 or older
Synopsis:
Kuno purchases a strange egg, believing that the mysterious powers of the legendary Phoenix will help him defeat Ranma. But when the egg hatches on his head, the bird goes out of control and wreaks havoc all over Tokyo. Ranma and the gang must use any means necessary to get the Phoenix to leave Kuno's head and fly away.

(Source: ANN)