Detective Charlie Hudson teams up with what he calls his "highly trained law enforcement animal" German Shepherd dog named Rex who he prefers to team up with because he doesn't talk his ear off.
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The peak run. Top 40% of seasons by average rating — consecutive, with an average of 7.74.
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John Reardon
Charlie Hudson
Mayko Nguyen
Sarah Truong
Kevin Hanchard
Joseph Donovan
Justin Kelly
Jesse Mills
Luke Roberts
Mark
All 122 episodes plotted by IMDb rating
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13 episodes • 2019Avg: 7.5
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | The Hunt | Feb 25, 2019 | 7.3 |
| 2 | Fearless Freaks | Mar 4, 2019 | 7.6 |
| 3 | Haunted By the Past | Mar 11, 2019 | 7.7 |
| 4 | School Daze | Mar 15, 2019 | 7.5 |
| 5 | The Pet Sitter | Apr 22, 2019 | 7.3 |
| 6 | Murder She Thought | Apr 26, 2019 | 7.9 |
| 7 | Trial and Error | Jun 13, 2019 | 7.5 |
| 8 | Fast Eddie's | Jun 20, 2019 | 7.3 |
| 9 | The Mourning Show | Jun 27, 2019 | 7.7 |
| 10 | Art of Darkness | Jul 4, 2019 | 7.4 |
| 11 | Bad Water Rising | Jul 11, 2019 | 7.6 |
| 12 | A Cult Education | Jul 18, 2019 | 7.4 |
| 13 | The Rex Files | Jul 25, 2019 | 7.4 |
19 episodes • 2019Avg: 7.7Golden Era
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Man of Consequences | Sep 24, 2019 | 7.9 |
| 2 | Over Ice | Oct 1, 2019 | 7.5 |
| 3 | Blind Justice | Oct 8, 2019 | 7.9 |
| 4 | Strangers in the Night | Oct 15, 2019 | 7.6 |
| 5 | Dead Man Walking | Oct 22, 2019 | 7.8 |
| 6 | Under the Influencer | Oct 29, 2019 | 7.3 |
| 7 | The Woods Have Eyes | Nov 5, 2019 | 7.9 |
| 8 | Game of Bones | Nov 12, 2019 | 7.5 |
| 9 | Bullet in the Water | Nov 19, 2019 | 7.8 |
| 10 | The French Connection | Nov 26, 2019 | 7.9 |
| 11 | Rex-Machina | Jan 14, 2020 | 7.9 |
| 12 | Rex and the City | Jan 21, 2020 | 7.9 |
| 13 | In Pod We Trust | Jan 28, 2020 | 7.6 |
| 14 | Tunnel Vision | Feb 4, 2020 | 7.9 |
| 15 | Finger Foodie | Feb 11, 2020 | 7.4 |
| 16 | Flare of the Dog | Feb 18, 2020 | 8.1 |
| 17 | The Graveyard Shift | Mar 3, 2020 | 7.7 |
| 18 | Old Dog New Tricks | Mar 17, 2020 | 7.8 |
| 19 | In a Family Way | Mar 24, 2020 | 7.7 |
16 episodes • 2021Avg: 7.6
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Origin Story | Jan 5, 2021 | 8.3 |
| 2 | Manhunt | Jan 12, 2021 | 7.5 |
| 3 | Into the Wild | Jan 19, 2021 | 7.6 |
| 4 | Under Pressure | Jan 26, 2021 | 7.6 |
| 5 | Prescription Rex | Feb 2, 2021 | 7.6 |
| 6 | Endless Summer | Feb 9, 2021 | 7.2 |
| 7 | All in the Litter | Feb 16, 2021 | 8.0 |
| 8 | Sleeping Beauty | Feb 23, 2021 | 7.5 |
| 9 | Grave Matters | Mar 2, 2021 | 7.9 |
| 10 | Fanning the Flames | Mar 9, 2021 | 7.5 |
| 11 | Blood on the Tracks | Mar 16, 2021 | 7.2 |
| 12 | Top Dog | Mar 23, 2021 | 7.5 |
| 13 | Mansion on a Hill | Mar 30, 2021 | 7.7 |
| 14 | The Secret Life of Levi | Apr 6, 2021 | 7.3 |
| 15 | Seeing Is Deceiving | Apr 13, 2021 | 7.5 |
| 16 | The Art of the Steal | Apr 20, 2021 | 7.7 |
16 episodes • 2021Avg: 7.6
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Sid and Nancy | Oct 7, 2021 | 7.5 |
| 2 | Oops I Bit It Again | Oct 14, 2021 | 7.3 |
| 3 | Rex Marks the Spot | Oct 21, 2021 | 7.6 |
| 4 | Leader of the Pack | Oct 28, 2021 | 7.6 |
| 5 | Rex to Riches | Nov 4, 2021 | 7.5 |
| 6 | Dead Man's Bridge | Nov 11, 2021 | 7.5 |
| 7 | A Stab in the Dark Web | Nov 18, 2021 | 7.5 |
| 8 | Sudden Death | Nov 25, 2021 | 7.4 |
| 9 | Impawster Syndrome | Jan 6, 2022 | 7.7 |
| 10 | Blood & Diamonds | Jan 13, 2022 | 7.5 |
| 11 | Capital Punishment | Jan 20, 2022 | 8.1 |
| 12 | No Man Is an Island | Mar 22, 2022 | 7.9 |
| 13 | Roses of Signal Hill | Mar 29, 2022 | 7.6 |
| 14 | Roll the Bones | Apr 5, 2022 | 7.8 |
| 15 | Nightmare on Water St. | Apr 12, 2022 | 7.7 |
| 16 | Dog Days Are Over | Apr 19, 2022 | 7.8 |
20 episodes • 2022Avg: 7.6
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Lost in the Barrens | Sep 25, 2022 | 7.5 |
| 2 | Punch Drunk Glove | Oct 2, 2022 | 7.5 |
| 3 | Run, Donovan, Run | Oct 9, 2022 | 7.4 |
| 4 | Hand of Cod | Oct 16, 2022 | 7.5 |
| 5 | The Good Shepherd | Oct 23, 2022 | 7.9 |
| 6 | Den of Snakes | Oct 30, 2022 | 7.3 |
| 7 | The Date Escape | Nov 6, 2022 | 7.3 |
| 8 | Bury the Lead | Nov 13, 2022 | 7.3 |
| 9 | Rexpert Witness | Nov 20, 2022 | 7.8 |
| 10 | One Wild Night | Nov 27, 2022 | 7.4 |
| 11 | Working for the Weekend | Jan 17, 2023 | 7.7 |
| 12 | Lost Lives Club | Jan 24, 2023 | 7.4 |
| 13 | The Miranda Act | Jan 31, 2023 | 7.6 |
| 14 | Rexit, Stage Left | Mar 7, 2023 | 7.3 |
| 15 | Northern Rexposure | Mar 21, 2023 | 7.6 |
| 16 | Due North | Mar 28, 2023 | 8.0 |
| 17 | Lost and Found | Apr 4, 2023 | 7.8 |
| 18 | Jail Break | Apr 11, 2023 | 7.3 |
| 19 | The Cook, the Chief, the Cop and His Lover | Apr 18, 2023 | 8.0 |
| 20 | One for the Road | Apr 26, 2023 | 8.3 |
16 episodes • 2023Avg: 7.8
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Ghost Ship | Oct 4, 2023 | 7.8 |
| 2 | The Good, the Bad, and the Rex | Oct 11, 2023 | 7.7 |
| 3 | Hound & Vision | Oct 18, 2023 | 7.9 |
| 4 | Hour of the Dog | Oct 25, 2023 | 7.8 |
| 5 | Hero by Night | Nov 1, 2023 | 7.6 |
| 6 | Claws Out | Nov 8, 2023 | 8.1 |
| 7 | Dancer, Traitor, Shepherd, Spy | Feb 20, 2024 | 7.7 |
| 8 | Doghouse | Feb 27, 2024 | 7.8 |
| 9 | Hudson and Son | Mar 5, 2024 | 7.7 |
| 10 | Who's Your Caddy? | Mar 12, 2024 | 7.8 |
| 11 | Dog and Pony Show | Mar 26, 2024 | 7.9 |
| 12 | Bark and Bite | Apr 2, 2024 | 7.7 |
| 13 | Dogged Pursuit | Apr 9, 2024 | 7.9 |
| 14 | Death on the Doorstep | Apr 16, 2024 | 7.7 |
| 15 | Wag the Dog | Apr 23, 2024 | 8.0 |
| 16 | Rex, Drugs & Rock n' Roll | Apr 30, 2024 | 7.7 |
8 episodes • 2025Avg: 7.3
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Double Dog Dare | Jan 14, 2025 | 8.2 |
| 2 | A Room with a Clue | Jan 21, 2025 | 8.7 |
| 3 | Shuck Everlasting | Jan 28, 2025 | 7.0 |
| 4 | K9: The Rext Generation | Feb 4, 2025 | 7.2 |
| 5 | In From the Cold | Feb 11, 2025 | 7.2 |
| 6 | Bee-Deviled | Feb 18, 2025 | 7.0 |
| 7 | Kiss the Cod and Make Them Die | Feb 25, 2025 | 7.0 |
| 8 | Hot Prowl in the City | Mar 11, 2025 | 6.4 |
14 episodes • 2025Avg: 4.4Valley of Despair
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Into the Wilds | Sep 22, 2025 | 3.7 |
| 2 | Runaway Witness | Sep 29, 2025 | 4.5 |
| 3 | Best Kind | Oct 6, 2025 | 4.3 |
| 4 | Of All the Gin Joints | Oct 13, 2025 | 4.7 |
| 5 | Fortitude Newfoundland | Oct 20, 2025 | 4.6 |
| 6 | Conspiracy Theory | Oct 27, 2025 | 4.4 |
| 7 | Criminal Rex | Nov 17, 2025 | 4.2 |
| 8 | Bird's Eye View | Nov 24, 2025 | 4.7 |
| 9 | All the Wrong Moves | Feb 3, 2026 | 4.1 |
| 10 | Murder Al Fesco | Feb 10, 2026 | 3.9 |
| 11 | Trial by Fire | Feb 17, 2026 | 4.3 |
| 12 | The Briny Deep | Feb 17, 2026 | 4.3 |
| 13 | Heist for the Holidays (1) | Feb 24, 2026 | 4.7 |
| 14 | Heist for the Holidays (2) | Mar 3, 2026 | 4.7 |
