Keiichi Hasegawa

No. 1 Sentai Gozyuger: Polar Beginning 2026

Writer

Abyssalis Revelation: Lachesis 2025

Writer

Kamen Rider Gotchard: The Future Daybreak 2024

Writer

Kamen Rider Gotchard Ver.: Romeo and Juliet Complete Edition 2024

Writer

Gridman Universe 2023

Screenplay

SSSS.DYNAZENON Grand Episode 2023

Screenplay

SSSS.GRIDMAN Grand Episode 2023

Writer

Kamen Rider Drive Saga: Kamen Rider Mach / Kamen Rider Heart 2016

Writer

Kamen Rider Ghost: Truth! The Secret of the Heroic Eyecons! 2016

Writer

Kamen Rider Drive: Type ZERO! Episode 0 - Countdown to Global Freeze 2014

Writer

Kamen Rider Drive: Type: Televi-Kun - Hunter & Monster! Chase the Mystery of the Super Thief! 2014

Writer

009-1: The End of the Beginning 2013

Writer

My future of being executed 2012

Writer

Kamen Rider Fourze the Net Edition: It's Class Time, Everyone! 2012

Writer

Ultraman Saga 2012

Writer

Takamine - The Man By Which Cherry Blossoms Bloomed in America 2011

Writer

Kamen Rider W Returns: Kamen Rider Accel 2011

as Drunken Man, Writer

Superior Ultra 8 Brothers 2008

Writer

Ultraman Mebius & Ultra Brothers 2006

Writer

Ultraman: The Next 2004

Screenplay

Ultraman Cosmos vs. Ultraman Justice: The Final Battle 2003

Screenplay

Ultraman Cosmos 2: The Blue Planet - Young Musashi Chapter 2002

Writer

Ultraman Cosmos 2: The Blue Planet 2002

Screenplay

Godzilla, Mothra and King Ghidorah: Giant Monsters All-Out Attack 2001

Screenplay

Ultraman Tiga: The Final Odyssey 2000

Screenplay

ウルトラマンダイナ SPECIAL 2000

Writer

Ultraman Tiga & Ultraman Dyna & Ultraman Gaia: The Battle in Hyperspace 1999

Writer

Ultraman Tiga & Ultraman Dyna: Warriors of the Star of Light 1998

Screenplay