During the IXAcise routine, a cartoon cardboard cut-out of Nago can be seen in the background. The numbers on its shirt, 753, spell Nago's name when spoken aloud in Japanese; "Na(na)" (7), "Go" (5), "San" (3) makes "Nago-san".
Megumi and Nago's marriage is the first in the Kamen Rider series and the fourth tokusatsu series marriage after Super Sentai's Choujin Sentai Jetman, Mahou Sentai MagiRanger and Chouseishin Series' Chouseishin GranSazer.
Wataru is able to trap Kivat-bat under a bowl, yet Kivat had been able to lift that same bowl even when it was full of water.
No explanation is given for Castle Doran's late appearance for the battle or the manner in which it arrived.