Past Is Prologue
9-1-1 · Season 5 · Episode 9
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.
Season 5
- Episode 1 · Panic
- Episode 2 · Desperate Times
- Episode 3 · Desperate Measures
- Episode 4 · Home and Away
- Episode 5 · Peer Pressure
- Episode 6 · Brawl in Cell Block 9-1-1
- Episode 7 · Ghost Stories
- Episode 8 · Defend in Place
- Episode 9 · Past Is Prologue
- Episode 10 · Wrapped in Red
- Episode 11 · Outside Looking In
- Episode 12 · Boston
- Episode 13 · Fear-O-Phobia
- Episode 14 · Dumb Luck
- Episode 15 · FOMO
- Episode 16 · May Day
- Episode 17 · Hero Complex
- Episode 18 · Starting Over