Sounds like someone at Fox called in a (wait for it) May Sweeps emergency.
Britton exited 9-1-1 the end of the series’ breakout freshman season, at which point it was revealed that her contract with the show was only for one season. However, at the time, exec producer Ryan Murphy remained optimistic that the Nashville and Friday Night Lights vet might return on a guest-star basis.
“We’re in the process of renegotiating her deal so she can come in and do a couple of episodes to keep her character alive,” Murphy told us at the time. “She really loves the cast and crew and she’s very hopeful that that can happen.”