Initial D Fourth Stage

Initial D: Fourth Stage is a 2004-2006 anime television series. It is the sixth instalment in the anime adaptation of the Initial D manga. It covers from chapter 192 to 424 (volumes 17 to 32).

Characters
These are the prominent characters in this season of the series.
 * Aikawa
 * Atsuro Kawai
 * Bunta Fujiwara
 * Daiki Ninomiya
 * Dr. Toshiya Joshima
 * Hiroshi Fumihiro
 * Ichijo
 * Itsuki Takeuchi
 * Kazumi Akiyama
 * Keisuke Takahashi
 * Kenji
 * Kenta Nakamura
 * Koichiro Iketani
 * Kozo Hoshino
 * Kyoichi Sudo
 * Kyoko Iwase
 * Kyoko's friend
 * Nao
 * Nobuhiko Akiyama
 * Ryosuke Takahashi
 * Sakamoto
 * Seiji Iwaki
 * Shinichi
 * Shuichi Matsumoto
 * Smiley Sakai
 * Takumi Fujiwara
 * Tomiguchi
 * Tomoyuki Tachi
 * Toru Suetsugu
 * Two Guys From Tokyo
 * Wataru Akiyama
 * Yuichi Tachibana

Battles

 * 1) Takumi Fujiwara vs Toru Suetsugu
 * 2) Takumi Fujiwara vs Daiki Ninomiya
 * 3) Takumi Fujiwara vs Tomoyuki Tachi
 * 4) Takumi Fujiwara vs Bunta Fujiwara (Impromptu)
 * 5) Takumi Fujiwara (AE85) vs the Two Guys From Tokyo
 * 6) Keisuke Takahashi vs Kyoko Iwase
 * 7) Takumi Fujiwara vs Nobuhiko Akiyama
 * 8) Takumi Fujiwara vs Sakamoto
 * 9) Keisuke Takahashi vs Wataru Akiyama
 * 10) Keisuke Takahashi vs Aikawa
 * 11) Takumi Fujiwara vs Ichijo
 * 12) Keisuke Takahashi vs Kozo Hoshino
 * 13) Takumi Fujiwara vs Dr. Toshiya Joshima

Acts

 * 1) Project D (プロジェクトD, Purojekuto D)
 * 2) Full Throttle! Downhill Battle (全開!ダウンヒルバトル, Zenkai! Daunhirubatoru)
 * 3) The Most Powerful Man of the Todo School (東堂塾最強の男, Tōdō juku saikyō no otoko)
 * 4) Two Pieces of Advice (二つのアドバイス, Futatsu no adobaisu)
 * 5) The Starting Line to Victory (勝利へのスタートライン, Shōri e no sutātorain)
 * 6) Blind Attack (ブラインド·アタック, Buraindo· atakku)
 * 7) The 85's Raging Turbo (嵐のハチゴーターボ, Arashi no hachigōtābo)
 * 8) Fateful Battle of the FDs (運命のFDバトル, Unmei no FD batoru)
 * 9) Kyoko's Confession (恭子の告白, Kyōko no kokuhaku)
 * 10) The Saitama Area's Ultimate Weapon (埼玉エリア最終兵器, Saitama eria saishū heiki)
 * 11) Rainy Downhill Battle (雨のダウンヒルバトル, Ame no daunhirubatoru)
 * 12) Straightaway of Struggles (葛藤のストレート, Kattō no sutorēto)
 * 13) Motivation (モチベーション, Mochibēshon)
 * 14) Sad Lonely Driver (悲しきロンリードライバー, Kanashiki ronrīdoraibā)
 * 15) 4WD Complex (4WDコンプレックス, 4WD konpurekkusu)
 * 16) Hillclimb of Fury (怒りのヒル·クライム, Ikari no hiru· kuraimu)
 * 17) The Saitama Area's Final Battle (埼玉エリア最終決戦, Saitama eria saishū kessen)
 * 18) Last Drive (ラスト·ドライブ, Rasuto· doraibu)
 * 19) God Foot and God Arm (ゴッドフットとゴッドアーム, Goddofutto to goddoāmu)
 * 20) The Unmatched GT-R! (超絶GT-R!, Chōzetsu GT-R!)
 * 21) Dogfight (ドッグファイト, Doggufaito)
 * 22) The Sorcerer of the Single-Handed Steer (ワンハンドステアの魔術, Wanhandosutea no majutsu)
 * 23) Endless Battle (エンドレスバトル, Endoresubatoru)
 * 24) The Never-ending Challenge (終わらない挑戦, Owaranai chōsen)

Anime and Manga Differences

 * In Act 1, Flashback where Takumi and Mogi Natsuki talking in Lake Akina is different than the Third Stage and the manga version, In the Third Stage after Takumi told his dream to Natsuki, She ran to hug Takumi and they make a promise to meet again in future while in manga Takumi told his dream to Natsuki inside his car similar to the Fifth Stage version.
 * In the manga, the race between Keisuke Takahashi and Kozo Hoshino takes place after the race between Takumi Fujiwara and Dr. Toshiya Joshima. The order of these battles are switched.