
About this season
Dr. Yamagishi was expelled from an academic society because he had tried to make a human clone. Next theme of his study was a new human species Cambrian. He made himself a test target. However, he turned into a chunk of grotesque flesh, and it began to rape women by its tentacles.
Episodes (2)

1. 1st Stage
4.5Aired 25 November 2005 • 30 min
In the near future people discover the true identity of evolution, however, one mad scientist decides to take it further. Dr. Yamagishi was a genius and was well respected throughout, until one day he decides to try human cloning…a forbidden science. Now working deep in the dark, he decides to take his mad plans to the next level: recreating the evolution, the Cambrian Big Bang!

2. Last Stage
3.0Aired 25 May 2006 • 30 min
A Few days have passed since the incident at the lab. It all seemed like a dream until one day Keiko feels an awkward sensation all over her body. At the same time, her boyfriend started acting differently around her such as arguments leading to violence, etc…Why is her boyfriend suddenly acting differently? What does Haruhiko, Keiko’s former professor, truly want to achieve? What is the Cambrian Big Bang? Let the evolution begin!