9-1-1

Season 5, Episode 9

Episode Title: Past Is Prologue

Air Date: 2021-11-29

Overview:

Bobby and the 118 race to the rescue when an abandoned oil well erupts and causes a massive sinkhole in downtown LA. Athena investigates a 30-year-old cold case involving a casino robbery. Buck fears his relationship with Taylor might be ending, and Hen meets a man from her mother, Toni's, past.