S04E05: Buck Begins
The 118 race to save the lives of workers trapped in a five-alarm factory fire. Meanwhile, Maddie reveals a painful family secret that causes Buck to confront his childhood and answer why he is the daredevil he is today.
Previous Episode 
Season 1
Pilot
S1E1 / 03 Jan 2018
Let Go
S1E2 / 10 Jan 2018
Next of Kin
S1E3 / 17 Jan 2018
Worst Day Ever
S1E4 / 24 Jan 2018
Point of Origin
S1E5 / 31 Jan 2018
Heartbreaker
S1E6 / 07 Feb 2018
Full Moon (Creepy AF)
S1E7 / 28 Feb 2018
Karma's A Bitch
S1E8 / 07 Mar 2018
Trapped
S1E9 / 14 Mar 2018
A Whole New You
S1E10 / 21 Mar 2018
Season 2
Under Pressure
S2E1 / 23 Sep 2018
7.1
S2E2 / 24 Sep 2018
Help Is Not Coming
S2E3 / 01 Oct 2018
Stuck
S2E4 / 08 Oct 2018
Awful People
S2E5 / 15 Oct 2018
Dosed
S2E6 / 22 Oct 2018
Haunted
S2E7 / 29 Oct 2018
Buck, Actually
S2E8 / 05 Nov 2018
Hen Begins
S2E9 / 19 Nov 2018
Merry Ex-Mas
S2E10 / 26 Nov 2018
New Beginnings
S2E11 / 18 Mar 2019
Chimney Begins
S2E12 / 25 Mar 2019
Fight or Flight
S2E13 / 01 Apr 2019
Broken
S2E14 / 15 Apr 2019
Ocean's 9-1-1
S2E15 / 22 Apr 2019
Bobby Begins Again
S2E16 / 29 Apr 2019
Careful What You Wish For
S2E17 / 06 May 2019
This Life We Choose
S2E18 / 13 May 2019
Season 3
Kids Today
S3E1 / 23 Sep 2019
Sink or Swim
S3E2 / 30 Sep 2019
The Searchers
S3E3 / 07 Oct 2019
Triggers
S3E4 / 14 Oct 2019
Rage
S3E5 / 21 Oct 2019
Monsters
S3E6 / 28 Oct 2019
Athena Begins
S3E7 / 04 Nov 2019
Malfunction
S3E8 / 11 Nov 2019
Fallout
S3E9 / 25 Nov 2019
Christmas Spirit
S3E10 / 02 Dec 2019
Seize the Day
S3E11 / 16 Mar 2020
Fools
S3E12 / 23 Mar 2020
Pinned
S3E13 / 30 Mar 2020
The Taking of Dispatch 9-1-1
S3E14 / 13 Apr 2020
Eddie Begins
S3E15 / 20 Apr 2020
The One That Got Away
S3E16 / 27 Apr 2020
Powerless
S3E17 / 04 May 2020
What's Next?
S3E18 / 11 May 2020
Season 4
The New Abnormal
S4E1 / 18 Jan 2021
Alone Together
S4E2 / 25 Jan 2021
Future Tense
S4E3 / 01 Feb 2021
9-1-1, What's Your Grievance?
S4E4 / 08 Feb 2021
Buck Begins
S4E5 / 15 Feb 2021
Jinx
S4E6 / 22 Feb 2021
There Goes the Neighborhood
S4E7 / 01 Mar 2021
Breaking Point
S4E8 / 08 Mar 2021
Blindsided
S4E9 / 19 Apr 2021
Parenthood
S4E10 / 26 Apr 2021
First Responders
S4E11 / 03 May 2021
Treasure Hunt
S4E12 / 10 May 2021
Suspicion
S4E13 / 17 May 2021
Survivors
S4E14 / 24 May 2021
Season 5
Panic
S5E1 / 20 Sep 2021
Desperate Times
S5E2 / 27 Sep 2021
Desperate Measures
S5E3 / 04 Oct 2021
Home and Away
S5E4 / 11 Oct 2021
Peer Pressure
S5E5 / 18 Oct 2021
Brawl in Cell Block 9-1-1
S5E6 / 01 Nov 2021
Ghost Stories
S5E7 / 08 Nov 2021
Defend in Place
S5E8 / 15 Nov 2021
Past Is Prologue
S5E9 / 29 Nov 2021
Wrapped in Red
S5E10 / 06 Dec 2021
Outside Looking In
S5E11 / 21 Mar 2022
Boston
S5E12 / 28 Mar 2022
Fear-O-Phobia
S5E13 / 11 Apr 2022
Dumb Luck
S5E14 / 18 Apr 2022
FOMO
S5E15 / 25 Apr 2022
May Day
S5E16 / 02 May 2022
Hero Complex
S5E17 / 09 May 2022
Starting Over
S5E18 / 16 May 2022
Season 6
Let the Games Begin
S6E1 / 19 Sep 2022
Crash & Learn
S6E2 / 26 Sep 2022
The Devil You Know
S6E3 / 03 Oct 2022
Animal Instincts
S6E4 / 10 Oct 2022
Home Invasion
S6E5 / 17 Oct 2022
Tomorrow
S6E6 / 24 Oct 2022
Cursed
S6E7 / 07 Nov 2022
What's Your Fantasy?
S6E8 / 14 Nov 2022
Red Flag
S6E9 / 28 Nov 2022
In a Flash
S6E10 / 06 Mar 2023
In Another Life
S6E11 / 13 Mar 2023
Recovery
S6E12 / 20 Mar 2023
Mixed Feelings
S6E13 / 10 Apr 2023
Performance Anxiety
S6E14 / 17 Apr 2023
Death and Taxes
S6E15 / 24 Apr 2023
Lost & Found
S6E16 / 01 May 2023
Love Is in the Air
S6E17 / 08 May 2023
Pay It Forward
S6E18 / 15 May 2023
Season 7
Abandon Ships
S7E1 / 14 Mar 2024
Rock the Boat
S7E2 / 21 Mar 2024
Capsized
S7E3 / 28 Mar 2024
Buck, Bothered and Bewildered
S7E4 / 04 Apr 2024
You Don't Know Me
S7E5 / 11 Apr 2024
There Goes the Groom
S7E6 / 02 May 2024
Ghost of a Second Chance
S7E7 / 09 May 2024
Step Nine
S7E8 / 16 May 2024
Ashes, Ashes
S7E9 / 23 May 2024
All Fall Down
S7E10 / 30 May 2024
Season 8
Buzzkill (1)
S8E1 / 26 Sep 2024
When the Boeing Gets Tough... (2)
S8E2 / 03 Oct 2024
Final Approach (3)
S8E3 / 10 Oct 2024
No Place Like Home
S8E4 / 17 Oct 2024
Masks
S8E5 / 24 Oct 2024
Confessions
S8E6 / 07 Nov 2024
Hotshots
S8E7 / 14 Nov 2024
Wannabes
S8E8 / 21 Nov 2024
Sob Stories
S8E9 / 06 Mar 2025
Voices
S8E10 / 13 Mar 2025
Holy Mother of God
S8E11 / 20 Mar 2025
Disconnected
S8E12 / 27 Mar 2025
Invisible
S8E13 / 03 Apr 2025
Sick Day (1)
S8E14 / 10 Apr 2025
Lab Rats (2)
S8E15 / 17 Apr 2025
The Last Alarm
S8E16 / 01 May 2025
Don't Drink the Water
S8E17 / 08 May 2025
Seismic Shifts
S8E18 / 15 May 2025
Season 9
Eat the Rich
S9E1 / 09 Oct 2025
Spiraling
S9E2 / 16 Oct 2025
The Sky Is Falling
S9E3 / 23 Oct 2025
Reentry
S9E4 / 30 Oct 2025
Día de los Muertos
S9E5 / 06 Nov 2025
Family History
S9E6 / 13 Nov 2025
Secrets
S9E7 / 08 Jan 2026
War
S9E8 / 15 Jan 2026
Fighting Back
S9E9 / 22 Jan 2026
Handle with Care
S9E10 / 29 Jan 2026
Going Once, Going Twice
S9E11 / 26 Feb 2026
Dads and Cads
S9E12 / 05 Mar 2026
Angela Bassett
Athena Grant
Jennifer Love Hewitt
Maddie Buckley
Oliver Stark
Evan 'Buck' Buckley
Aisha Hinds
Henrietta 'Hen' Wilson
Kenneth Choi
Howard 'Chimney' Han
Ryan Guzman
Eddie Diaz
Corinne Massiah
May Grant
