Teekyu - Season 0 Episode 5 Back to the Future
- Genre: Animation, Comedy
- Studio: Tokyo MX
- Keyword: tennis, sports, high school, slice of life, based on manga, stereotype, school life, ecchi, anime, absurdist, school club, short film
- Cast: Yui Watanabe, Suzuko Mimori, Kyoko Narumi, Kana Hanazawa