For All Mankind” has been renewed for Season 5 at Apple TV+. In addition, Variety has learned the streamer has ordered a spinoff series focusing on the Soviet space program.

The spinoff is currently titled “Star City” and hails from “For All Mankind” creators Ronald D. Moore, Matt Wolpert, and Ben Nedivi. Nedivi and Wolpert will serve as showrunners. The show will return to the beginning of “For All Mankind’s” alternative timeline, in which the Soviets are the first to reach the moon. But the show will then “explore the story from behind the Iron Curtain, showing the lives of the cosmonauts, the engineers, and the intelligence officers embedded among them in the Soviet space program, and the risks they all took to propel humanity forward,” per the official logline.

“Our fascination with the Soviet space program has grown with every season of ‘For All Mankind,’” said Wolpert and Nedivi. “The more we learned about this secret city in the forests outside Moscow where the Soviet cosmonauts and engineers worked and lived, the more we wanted to tell this story of the other side of the space race. We could not be more excited to continue building out the alternate history universe of ‘For All Mankind’ with our partners at Apple and Sony.”

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Both “Star City” and “For All Mankind” are executive produced by Moore, Wolpert, and Nedivi. Moore executive produces via Tall Ship Productions along with Maril Davis. Both shows are produced by Sony Pictures Television. David Weddle, Bradley Thompson, Seth Edelstein, and Kira Snyder are also executive producers on “For All Mankind,” with Wolpert and Nedivi serving as showrunners.

“With each new season, ‘For All Mankind’ continues to build out a fascinating world and capture global audiences through high quality storytelling that has been so skillfully developed by Ron, Matt and Ben,” said Matt Cherniss, head of programming for Apple TV+. “There is so much to explore and, we along with our partners at Sony, can’t wait to dive into this next chapter of the engrossing ‘For All Mankind’ universe.”