Initial D Fourth Stage
- English: -
- Synonyms: Initial D 4th Stage
- Japanese: -
- Type: TV
- Source: Manga
- Status: Finished Airing
- Season: spring 2004
- Episodes: 24
- Duration: 27 min per ep
- Genres: Action, Drama
- Rating: PG-13 - Teens 13 or older
- Studio: A.C.G.T.
Takumi Fujiwara finally joins Ryousuke and Keisuke Takahashi to create "Project D." Their goal is twofold: Ryousuke wants to develop his "High-Speed Street Racing Theory," while Keisuke and Takumi aim at improving their driving skills by facing powerful opponents on dangerous roads. The idea of Project D is to challenge street racing teams from other prefectures to improve both their uphill and downhill records. In order to attract the attention of the best racing teams, Ryousuke creates a dedicated website to announce the future battles of Project D and post the team's results. The fourth season of Initial D details the hardships and successes of the members of Project D as they try to become the best street racing team outside of Gunma Prefecture. [Written by MAL Rewrite]