A mysterious Dopant only known as the Donburi Dopant appears. Philip discovers that the only way to defeat it is to find out what kind of donburi meal it is filled with. The Narumi Detective Agency cook different original donburi meals, the "Hard-Boiledon" by Shotaro, the "Acceldon" by Ryu, and the "Doubledon" by Akiko, with Philip being the judge of the contest to discover what is inside the Dopant!
Shinichiro Ohta
Frog Pod (voice)Masaki Suda
Philip / Kamen Rider WRenn Kiriyama
Shotaro Hidari / Kamen Rider WFumihiko Tachiki
Narration, Gaia Memory VoiceHiroshi Doki
Master of FumenMinehiro Kinomoto
Ryu Terui / Kamen Rider AccelHikaru Yamamoto
Akiko NarumiHiroshi
Izo Aida