The Prince of Tennis Season 4 Episode 21 Heat Up, Ryoma! ( Air Date 2003-08-20 ) Genre Animation, Comedy category. Overview "Tennis prodigiy Ryoma Echizen enters the tennis powerhouse Seishun Academy. Once he fights his way onto the team, the game will never be the same.".
The Prince of Tennis Season 4 Episode 21 Heat Up, Ryoma!
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- Watch: The Prince of Tennis Season 4 Episode 21 Heat Up, Ryoma! on CWR-CRB
- Stars: Mikako Takahashi, Junko Minagawa, Hiroki Takahashi, Naru Kawamoto, Yuki Kaida, Takayuki Kondo
- Director: Takayuki Hamana, Takeshi Konomi
