S04E15: Nightmare on Water St.
While St. John's celebrates Mardi Gras, Charlie and Rex investigate a targeted killing spree.
Previous Episode 
Season 1
The Hunt
S1E1 / 25 Feb 2019
Fearless Freaks
S1E2 / 04 Mar 2019
Haunted By the Past
S1E3 / 11 Mar 2019
School Daze
S1E4 / 15 Mar 2019
The Pet Sitter
S1E5 / 22 Apr 2019
Murder She Thought
S1E6 / 26 Apr 2019
Trial and Error
S1E7 / 13 Jun 2019
Fast Eddie's
S1E8 / 20 Jun 2019
The Mourning Show
S1E9 / 27 Jun 2019
Art of Darkness
S1E10 / 04 Jul 2019
Bad Water Rising
S1E11 / 11 Jul 2019
A Cult Education
S1E12 / 18 Jul 2019
The Rex Files
S1E13 / 25 Jul 2019
Season 2
Man of Consequences
S2E1 / 24 Sep 2019
Over Ice
S2E2 / 01 Oct 2019
Blind Justice
S2E3 / 08 Oct 2019
Strangers in the Night
S2E4 / 15 Oct 2019
Dead Man Walking
S2E5 / 22 Oct 2019
Under the Influencer
S2E6 / 29 Oct 2019
The Woods Have Eyes
S2E7 / 05 Nov 2019
Game of Bones
S2E8 / 12 Nov 2019
Bullet in the Water
S2E9 / 19 Nov 2019
The French Connection
S2E10 / 26 Nov 2019
Rex-Machina
S2E11 / 14 Jan 2020
Rex and the City
S2E12 / 21 Jan 2020
In Pod We Trust
S2E13 / 28 Jan 2020
Tunnel Vision
S2E14 / 04 Feb 2020
Finger Foodie
S2E15 / 11 Feb 2020
Flare of the Dog
S2E16 / 18 Feb 2020
The Graveyard Shift
S2E17 / 03 Mar 2020
Old Dog New Tricks
S2E18 / 17 Mar 2020
In a Family Way
S2E19 / 24 Mar 2020
Season 3
Origin Story
S3E1 / 05 Jan 2021
Manhunt
S3E2 / 12 Jan 2021
Into the Wild
S3E3 / 19 Jan 2021
Under Pressure
S3E4 / 26 Jan 2021
Prescription Rex
S3E5 / 02 Feb 2021
Endless Summer
S3E6 / 09 Feb 2021
All in the Litter
S3E7 / 16 Feb 2021
Sleeping Beauty
S3E8 / 23 Feb 2021
Grave Matters
S3E9 / 02 Mar 2021
Fanning the Flames
S3E10 / 09 Mar 2021
Blood on the Tracks
S3E11 / 16 Mar 2021
Top Dog
S3E12 / 23 Mar 2021
Mansion on a Hill
S3E13 / 30 Mar 2021
The Secret Life of Levi
S3E14 / 06 Apr 2021
Seeing Is Deceiving
S3E15 / 13 Apr 2021
The Art of the Steal
S3E16 / 20 Apr 2021
Season 4
Sid and Nancy
S4E1 / 07 Oct 2021
Oops I Bit It Again
S4E2 / 14 Oct 2021
Rex Marks the Spot
S4E3 / 21 Oct 2021
Leader of the Pack
S4E4 / 28 Oct 2021
Rex to Riches
S4E5 / 04 Nov 2021
Dead Man's Bridge
S4E6 / 11 Nov 2021
A Stab in the Dark Web
S4E7 / 18 Nov 2021
Sudden Death
S4E8 / 25 Nov 2021
Impawster Syndrome
S4E9 / 06 Jan 2022
Blood & Diamonds
S4E10 / 13 Jan 2022
Capital Punishment
S4E11 / 20 Jan 2022
No Man Is an Island
S4E12 / 22 Mar 2022
Roses of Signal Hill
S4E13 / 29 Mar 2022
Roll the Bones
S4E14 / 05 Apr 2022
Nightmare on Water St.
S4E15 / 12 Apr 2022
Dog Days Are Over
S4E16 / 19 Apr 2022
Season 5
Lost in the Barrens
S5E1 / 25 Sep 2022
Punch Drunk Glove
S5E2 / 02 Oct 2022
Run, Donovan, Run
S5E3 / 09 Oct 2022
Hand of Cod
S5E4 / 16 Oct 2022
The Good Shepherd
S5E5 / 23 Oct 2022
Den of Snakes
S5E6 / 30 Oct 2022
The Date Escape
S5E7 / 06 Nov 2022
Bury the Lead
S5E8 / 13 Nov 2022
Rexpert Witness
S5E9 / 20 Nov 2022
One Wild Night
S5E10 / 27 Nov 2022
Working for the Weekend
S5E11 / 17 Jan 2023
Lost Lives Club
S5E12 / 24 Jan 2023
The Miranda Act
S5E13 / 31 Jan 2023
Rexit, Stage Left
S5E14 / 07 Mar 2023
Northern Rexposure
S5E15 / 21 Mar 2023
Due North
S5E16 / 28 Mar 2023
Lost and Found
S5E17 / 04 Apr 2023
Jail Break
S5E18 / 11 Apr 2023
The Cook, the Chief, the Cop and His Lover
S5E19 / 18 Apr 2023
One for the Road
S5E20 / 26 Apr 2023
Season 6
Ghost Ship
S6E1 / 04 Oct 2023
The Good, the Bad, and the Rex
S6E2 / 11 Oct 2023
Hound & Vision
S6E3 / 18 Oct 2023
Hour of the Dog
S6E4 / 25 Oct 2023
Hero by Night
S6E5 / 01 Nov 2023
Claws Out
S6E6 / 08 Nov 2023
Dancer, Traitor, Shepherd, Spy
S6E7 / 20 Feb 2024
Doghouse
S6E8 / 27 Feb 2024
Hudson and Son
S6E9 / 05 Mar 2024
Who's Your Caddy?
S6E10 / 12 Mar 2024
Dog and Pony Show
S6E11 / 26 Mar 2024
Bark and Bite
S6E12 / 02 Apr 2024
Dogged Pursuit
S6E13 / 09 Apr 2024
Death on the Doorstep
S6E14 / 16 Apr 2024
Wag the Dog
S6E15 / 23 Apr 2024
Rex, Drugs & Rock n' Roll
S6E16 / 30 Apr 2024
Season 7
Double Dog Dare
S7E1 / 14 Jan 2025
A Room with a Clue
S7E2 / 21 Jan 2025
Shuck Everlasting
S7E3 / 28 Jan 2025
K9: The Rext Generation
S7E4 / 04 Feb 2025
In From the Cold
S7E5 / 11 Feb 2025
Bee-Deviled
S7E6 / 18 Feb 2025
Kiss the Cod and Make Them Die
S7E7 / 25 Feb 2025
Hot Prowl in the City
S7E8 / 11 Mar 2025
Season 8
Into the Wilds
S8E1 / 22 Sep 2025
Runaway Witness
S8E2 / 29 Sep 2025
Best Kind
S8E3 / 06 Oct 2025
Of All the Gin Joints
S8E4 / 13 Oct 2025
Fortitude Newfoundland
S8E5 / 20 Oct 2025
Conspiracy Theory
S8E6 / 27 Oct 2025
Criminal Rex
S8E7 / 17 Nov 2025
Bird's Eye View
S8E8 / 24 Nov 2025
All the Wrong Moves
S8E9 / 03 Feb 2026
Murder Al Fesco
S8E10 / 10 Feb 2026
Trial by Fire
S8E11 / 17 Feb 2026
The Briny Deep
S8E12 / 17 Feb 2026
Heist for the Holidays (1)
S8E13 / 24 Feb 2026
Heist for the Holidays (2)
S8E14 / 03 Mar 2026
John Reardon
Charlie Hudson
Mayko Nguyen
Sarah Truong
Kevin Hanchard
Joseph Donovan
Justin Kelly
Jesse Mills
