Kabuto musings

After a case of Selma's brain going pedantic (I really shouldn't answer emails when I'm distracted, sorry anybody I emailed) yesterday evening, I settled down to watch the TV-Nihon sub of Kamen Rider Kabuto 20.

( Minor spoiler )

Spot the series, or....

Retrojunk.com is dangerous.

Here are two screencaps (from videos downloaded from the site), under the cut. Can you identify the series?

( Yeah, shows I watched when I was younger )