Plausible theory. Bioman is the likely candidate for Saban's "saw Sentai while flipping channels in a Japanese hotel room" story.

Bioman footage was also snuck into the Audri Dubois-is-Trini/Dora Sphinx-is-Flyguy "Day Of The Dumpster" pilot.

https://sirstack.db-destiny.net/morphylogeny/100.htm

And there may have been an even earlier attempt to adapt Bioman directly!

https://morphinlegacy.com/power-rang...rs-multiverse/