The show will reportedly now be shopped around to other outlets.
Fans waited a long time for the Halo video game franchise to be brought to screens in a live-action series, but after two seasons the show has now been cancelled by Paramount Plus.
News of the cancellation was first reported by Variety, with Paramount Plus telling them in a statement: "Paramount Plus can confirm that Halo will not move forward with a third season on the service.
"We are extremely proud of this ambitious series and would like to thank our partners at Xbox, 343 Industries and Amblin Television, along with showrunner and executive producer David Wiener, his fellow executive producers, the entire cast led by Pablo Schreiber as Master Chief and the amazing crew for all their outstanding work.
"We wish everyone the best going forward."
The first season of Halo aired in 2022, while the second followed earlier this year, in February 2024.
Showrunner David Wiener previously told Collider he hoped they got "the chance to make more" of the show in a third season, adding that "that's totally the intention". However, it seems those were not to be - at least not on Paramount Plus.
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Variety has reported that an individual with knowledge of the situation has said Xbox, production company Amblin TV and Halo video game developer 343 Industries will now try to sell the series to another broadcaster or streamer - meaning there is still a glimmer of hope that the show could return in some form.
343 Industries said in a statement: "We deeply appreciate the millions of fans who propelled the Halo series to be a global success and we remain committed to broadening the Halo universe in different ways in the future.
"We are grateful to Amblin and Paramount for their partnership in bringing our expansive sci-fi universe to viewers around the world."
The show's two seasons starred Pablo Schreiber as Master Chief John-117, while other cast members included Natascha McElhone, Jen Taylor, Charlie Murphy, Danny Sapani, Olive Gray and Bokeem Woodbine.
Halo seasons 1-2 are available to stream on Paramount Plus.
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James Hibbs is a Drama Writer for Radio Times, covering programmes across both streaming platforms and linear channels. He previously worked in PR, first for a B2B agency and subsequently for international TV production company Fremantle. He possesses a BA in English and Theatre Studies and an NCTJ Level 5 Diploma in Journalism.
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