Season Four is the upcoming fourth season of 9-1-1. It was announced on April 13, 2020.[2]

It is set to premiere sometime midseason in 2021. [3]

Potential Storylines

  • A reveal on what May was talking about to Maddie at the end of "What's Next?" regarding her college choice.[4]
  • The storyline of Maddie and Chimney's relationship continuing, and the steps they go through during her pregnancy. [4]
  • More of Bobby's backstory, and the growth of his and Athena's relationship.[4]
  • A "new phase" for Buck, on moving on from Abby after the events of "What's Next?".[4]
  • A potential crossover with its spinoff series. [5]








  • Writing for this season has already begun, according to Tim Minear. [6]
  • On May 23, 2020, Tim Minear confirmed that a Buck Begins episode was being planned for Season Four. This episode will be focused around Evan Buckley's backstory. [7]
  • Robert Nash's brother will have a key role in Season Four.
  • On August 27, 2020, it was announced that John Harlan Kim would become a series regular in Season Four. [8]


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