The Morphin Grid


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This article is about a/an adaptation in Choudenshi Bioman.
Number n/a
Number of episodes: 1
First episode: Unaired Pilot
Last episode: Unaired Pilot
Intro: Bio-Man Intro
Adapted from: Choudenshi Bioman
See comparison page.
Original airing: 1986
Production Order

Bio-Man was a television pilot for an American adaptation of the Super Sentai series, Choudenshi Bioman, produced by Haim Saban in 1986. Although it didn't result in a series, Saban would later successfully adapt Kyoryu Sentai Zyuranger in 1993, starting the Power Rangers franchise.

Though most claim that Bio-Man was a new Americanized dub, there are also claims that Bio-Man was an adaptation, much like Power Rangers.


"Bio-Man" is a "space adventure series" about five kids with identical "bio-rhythms" who defend Earth against Zadar's attacks, an evil half-human, half-robot villain who wants to conquer the world. [1]



Color Role Actor
Biorhythm Red Victor Lee Mark Dacascos
Biorhythm Green Zack Taylor Miguel Nunez
Biorhythm Blue Billy Cranston Tom Silardi
Biorhythm Yello Trini Crystal Tricia Fisher
Biorhythm Pink Kimberly Harte Rebecca Staples


  • Alpha-5


  • Zadar


Actor Mark Dacascos lists and acknowledges his role as Victor Lee, the Red Ranger from Bio-Man. [2] Miguel Núñez Jr. also allegedly claims that he portrayed Zack Taylor but as a Green Ranger. [3]


  • One of the hurdles for the Bio-Man show was actors unions in the middle of an issue. This may lead credence to the fact that the show did have an adaptation shot.
  • Footage from the pilot was reused in a promo Saban Brands made for Bandai in 1992 entitled Galaxy Rangers using Zyuranger footage instead of Bioman footage. It can currently be seen on bonus disk one of the MMPR boxset as a hidden easter egg.



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