Sailor Moon and Revolutionary Girl Utena
Revolutionary Girl Utena was a series co-created by Kunihiko Ikuhara after he finished working on Sailor Moon SuperS. Some of the team that worked on Sailor Moon worked on Utena, most notably voice actors such as Kotono Mitsuishi and Aya Hisakawa.
The series is particularly notable because certain elements were derived from the original plot for the Sailor Moon SuperS movie. This story was devised by Ikuhara and producer Iriya Azuma, but Azuma left the Sailor Moon team before the movie went into production. Ikuhara therefore opted not to use the script.
According to Ikuhara:
"It was going to be a story in which Uranus and Neptune were the main characters. It was going to be a story independant to the TV series and this was going to be the first appearance of Uranus and Neptune. And Sailor Neptune was going to be in a 1000-year sleep at a place called "The End of the World". And Sailor Uranus was needed to steal the talisman from the Sailor Senshi and use that to awaken Sailor Neptune. And Uranus was going to be riding the black pegasus. And the story was going to be that Sailor Moon would ride Pegasus to chase Sailor Uranus riding the Black Pegasus to the "End of the World". And the climax of the story would've been the rodeo scene between Sailor Moon on white Pegasus and Sailor Uranus on Black Pegasus. And so this was kind of story I had in mind. But before production began, the producer walked off Sailor Moon. It would've been possible for me to make the story still, but since I came up with the story with the producer, I also walked off. But I had an attraction to the idea of "The End of the World" which I thought up for this plot. So the same thing in Utena comes from the Sailor Moon plot."