S09E06: The Root Cause
The team uncovers significant evidence that the stone road in the swamp was built long before the discovery of the original Money Pit just as the future of archaeology investigation on the island is threatened.
Previous Episode 
Season 1
What Lies Below
S1E1 / 05 Jan 2014
The Mystery of Smith's Cove
S1E2 / 12 Jan 2014
Outdoors: Voices from the Grave
S1E3 / 19 Jan 2014
The Secret of Solomon's Temple
S1E4 / 26 Jan 2014
The Find
S1E5 / 09 Feb 2014
Season 2
Once In, Forever In
S2E1 / 04 Nov 2014
Return to the Money Pit
S2E2 / 11 Nov 2014
The Eight-Pointed Star
S2E3 / 18 Nov 2014
The Breakthrough
S2E4 / 25 Nov 2014
The 90-Foot Stone
S2E5 / 02 Dec 2014
Seven Must Dye
S2E6 / 09 Dec 2014
The Trail of the Templars
S2E7 / 16 Dec 2014
X Marks the Spot
S2E8 / 23 Dec 2014
A Dangerous Dive
S2E9 / 06 Jan 2015
The Big Reveal
S2E10 / 13 Jan 2015
Season 3
The Hole Truth
S3E1 / 10 Nov 2015
Pipe Down
S3E2 / 17 Nov 2015
Outdoors: Time to Dig
S3E3 / 24 Nov 2015
The Overton Stone
S3E4 / 01 Dec 2015
Disappearing Act
S3E5 / 08 Dec 2015
Carved in Stone
S3E6 / 15 Dec 2015
The Missing Peace
S3E7 / 22 Dec 2015
Phantoms of the Deep
S3E8 / 29 Dec 2015
Columbus Day
S3E9 / 05 Jan 2016
Silence in the Dark
S3E10 / 12 Jan 2016
Sword Play
S3E11 / 19 Jan 2016
Voices from Below
S3E12 / 26 Jan 2016
Secrets and Revelations
S3E13 / 02 Feb 2016
Season 4
Going for Broke
S4E1 / 15 Nov 2016
Always Forward
S4E2 / 22 Nov 2016
Swamp Things
S4E3 / 29 Nov 2016
No Stone Unturned
S4E4 / 06 Dec 2016
Bullseye
S4E5 / 13 Dec 2016
Circles in Wood
S4E6 / 20 Dec 2016
All That Glitters
S4E7 / 27 Dec 2016
The Mystery of Samuel Ball
S4E8 / 03 Jan 2017
Echoes from the Deep
S4E9 / 10 Jan 2017
About Face
S4E10 / 17 Jan 2017
Presidential Secrets
S4E11 / 24 Jan 2017
Hyde Park and Go Seek
S4E12 / 31 Jan 2017
One of Seven
S4E13 / 07 Feb 2017
Of Sticks and Stones
S4E14 / 14 Feb 2017
Blood Is Thicker
S4E15 / 21 Feb 2017
A Look Ahead
S4E16 / 28 Feb 2017
Season 5
Forever Family
S5E1 / 07 Nov 2017
Dead Man's Chest
S5E2 / 14 Nov 2017
Obstruction
S5E3 / 21 Nov 2017
Close Call
S5E4 / 28 Nov 2017
Bone Dry
S5E5 / 05 Dec 2017
Remains of the Day
S5E6 / 12 Dec 2017
The Lot Thickens
S5E7 / 19 Dec 2017
Dan's Breakthrough
S5E8 / 02 Jan 2018
The French Connection
S5E9 / 09 Jan 2018
The Signs of a Cross
S5E10 / 16 Jan 2018
Moving Targets
S5E11 / 23 Jan 2018
A Key to the Mystery
S5E12 / 30 Jan 2018
Unhinged
S5E13 / 06 Feb 2018
The Templar Connection
S5E14 / 13 Feb 2018
Steel Trapped
S5E15 / 20 Feb 2018
Seeing Red
S5E16 / 27 Feb 2018
A Family Album
S5E17 / 27 Feb 2018
Amazing Discoveries
S5E18 / 06 Mar 2018
Season 6
Rick's Big Bang Theory
S6E1 / 13 Nov 2018
Gold Rush
S6E2 / 20 Nov 2018
Depth Perception
S6E3 / 27 Nov 2018
A Legacy Revealed
S6E4 / 04 Dec 2018
Homecoming
S6E5 / 11 Dec 2018
Precious Metal
S6E6 / 18 Dec 2018
Rock Solid
S6E7 / 01 Jan 2019
Unearthed
S6E8 / 08 Jan 2019
As Above, So Below
S6E9 / 15 Jan 2019
Fingers Made of Stone
S6E10 / 22 Jan 2019
Wharfs and All
S6E11 / 29 Jan 2019
Slipway When Wet
S6E12 / 05 Feb 2019
The Paper Chase
S6E13 / 12 Feb 2019
Voyage to the Bottom of the Cenote
S6E14 / 26 Feb 2019
Dye Harder
S6E15 / 05 Mar 2019
Detour
S6E16 / 12 Mar 2019
Clue or False?
S6E17 / 19 Mar 2019
Heavy Metal
S6E18 / 26 Mar 2019
Striking Distance
S6E19 / 02 Apr 2019
Short Days and Tall Knights
S6E20 / 09 Apr 2019
Seismic Matters
S6E21 / 16 Apr 2019
Lost and Founding
S6E22 / 30 Apr 2019
Season 7
The Torch Is Passed
S7E1 / 05 Nov 2019
Core Values
S7E2 / 12 Nov 2019
The Eye of the Swamp
S7E3 / 19 Nov 2019
The Lucky Thirteen
S7E4 / 26 Nov 2019
Tunnel Visions
S7E5 / 03 Dec 2019
Closing In
S7E6 / 10 Dec 2019
Things That Go Bump-Out
S7E7 / 17 Dec 2019
Triptych
S7E8 / 07 Jan 2020
An Eye for an Eye
S7E9 / 14 Jan 2020
Gary Strikes Again
S7E10 / 21 Jan 2020
The Eye of the Storm
S7E11 / 28 Jan 2020
Fortified
S7E12 / 04 Feb 2020
Bromancing the Stones
S7E13 / 11 Feb 2020
Burnt Offering
S7E14 / 25 Feb 2020
Surely Templar
S7E15 / 03 Mar 2020
Water Logged
S7E16 / 10 Mar 2020
To Boulderly Go
S7E17 / 17 Mar 2020
The Turning Point
S7E18 / 24 Mar 2020
Lords of the Ring
S7E19 / 31 Mar 2020
Springing the Trap
S7E20 / 07 Apr 2020
A Leaf of Faith
S7E21 / 14 Apr 2020
Marks X the Spot
S7E22 / 21 Apr 2020
Timeline
S7E23 / 28 Apr 2020
Season 8
Remote Control
S8E1 / 10 Nov 2020
The Boys Are Back
S8E2 / 17 Nov 2020
If the Ox Shoes Fit
S8E3 / 24 Nov 2020
Alignment
S8E4 / 01 Dec 2020
The Master Plan
S8E5 / 08 Dec 2020
Seaing is Believing
S8E6 / 15 Dec 2020
Mounding Evidence
S8E7 / 22 Dec 2020
High on the Bog
S8E8 / 29 Dec 2020
Rock, Paper, Serpents
S8E9 / 05 Jan 2021
Connecting the Lots
S8E10 / 12 Jan 2021
Rocky Road
S8E11 / 19 Jan 2021
Digging Their Heels In
S8E12 / 26 Jan 2021
The Fellowship Of The Ringbolt
S8E13 / 09 Feb 2021
A Bend in the Road
S8E14 / 16 Feb 2021
Cask and You Shall Receive
S8E15 / 23 Feb 2021
Leather Bound
S8E16 / 02 Mar 2021
Staking Their Claim
S8E17 / 09 Mar 2021
Cannon Fodder
S8E18 / 16 Mar 2021
A Loose Cannonball
S8E19 / 23 Mar 2021
Fire in the Hole
S8E20 / 30 Mar 2021
Off the Railing
S8E21 / 06 Apr 2021
Be There or T-Square
S8E22 / 13 Apr 2021
Old Wharfs Tale
S8E23 / 20 Apr 2021
Silver Lining
S8E24 / 27 Apr 2021
The Silver Spooner
S8E25 / 04 May 2021
Season 9
Going For Gold
S9E1 / 02 Nov 2021
The Gold Metal
S9E2 / 09 Nov 2021
Stone Roadblock
S9E3 / 16 Nov 2021
Spoils Alert
S9E4 / 23 Nov 2021
Hatching The Plan
S9E5 / 30 Nov 2021
The Root Cause
S9E6 / 07 Dec 2021
It All Adze Up
S9E7 / 14 Dec 2021
Deeper Digs, Bigger Stakes
S9E8 / 21 Dec 2021
The Unusual Suspects
S9E9 / 04 Jan 2022
Chamber of Secrets
S9E10 / 11 Jan 2022
A Boatload of Clues
S9E11 / 18 Jan 2022
The Silver Liner
S9E12 / 25 Jan 2022
Go Big Or Go Home
S9E13 / 01 Feb 2022
Premier of the Dig
S9E14 / 08 Feb 2022
Eyes and Boot in the Ground
S9E15 / 15 Feb 2022
Gold Diggers
S9E16 / 01 Mar 2022
Blast From The Past
S9E17 / 08 Mar 2022
Playing the Dunfield
S9E18 / 15 Mar 2022
Shoal Me the Money
S9E19 / 22 Mar 2022The Hedden Truth
S9E20 / 29 Mar 2022
A Lot of Secrets
S9E21 / 05 Apr 2022
Yes We Can
S9E22 / 12 Apr 2022
Follow the Cobblestone Road
S9E23 / 19 Apr 2022
On the Road
S9E24 / 26 Apr 2022
Treasure Island
S9E25 / 03 May 2022
Season 10
On Their Marks
S10E1 / 15 Nov 2022
Across the Pond
S10E2 / 22 Nov 2022
Bubbling Over
S10E3 / 29 Nov 2022
Wharf and Pieces
S10E4 / 06 Dec 2022
Duc it Out
S10E5 / 13 Dec 2022
Over the Muon
S10E6 / 20 Dec 2022
Norsing Around
S10E7 / 03 Jan 2023
A Lot to Be Desired
S10E8 / 10 Jan 2023
A Damming Clue
S10E9 / 17 Jan 2023
The Blob
S10E10 / 24 Jan 2023
Oh, Well!
S10E11 / 31 Jan 2023
Beware the Blob
S10E12 / 07 Feb 2023
All's Well
S10E13 / 14 Feb 2023
Getting the Shaft
S10E14 / 21 Feb 2023
Wood You Believe It?
S10E15 / 28 Feb 2023
Striking Gold
S10E16 / 07 Mar 2023
A Well of Secrets
S10E17 / 14 Mar 2023
A Quadrilateral Move
S10E18 / 28 Mar 2023
Ramping Up
S10E19 / 04 Apr 2023
A Barrel full of Clues
S10E20 / 11 Apr 2023
Roman Around
S10E21 / 18 Apr 2023
Starry Knights
S10E22 / 25 Apr 2023
The Italian Job
S10E23 / 02 May 2023
Down the Hatch
S10E24 / 09 May 2023
And the Hits Keep Coming
S10E25 / 16 May 2023
Season 11
On the Money
S11E1 / 07 Nov 2023
Heavy Lifting
S11E2 / 14 Nov 2023
Taking Their Shot
S11E3 / 21 Nov 2023
Shear Mystery
S11E4 / 28 Nov 2023
Muon the Horizon
S11E5 / 05 Dec 2023
The Grand Opening
S11E6 / 12 Dec 2023
The Great Flood
S11E7 / 19 Dec 2023
A Void At All Costs
S11E8 / 02 Jan 2024
Filling Cavities
S11E9 / 09 Jan 2024
Chain Reaction
S11E10 / 16 Jan 2024
Plugged Up
S11E11 / 23 Jan 2024
Digging Back In
S11E12 / 30 Jan 2024
Tea Time
S11E13 / 06 Feb 2024
Rick And Mortar
S11E14 / 13 Feb 2024
On Target
S11E15 / 20 Feb 2024
Dark and Stormy
S11E16 / 27 Feb 2024
Piling On
S11E17 / 05 Mar 2024
May The Norse Be With You
S11E18 / 12 Mar 2024
Hi Ho Silver
S11E19 / 19 Mar 2024
Wet and Wild
S11E20 / 26 Mar 2024
Straight as an Arrow
S11E21 / 02 Apr 2024
Abbey Road
S11E22 / 09 Apr 2024
Cone E Island
S11E23 / 16 Apr 2024
Hairy Situation
S11E24 / 23 Apr 2024
Worth The Weight
S11E25 / 30 Apr 2024
Season 12
The New Digs
S12E1 / 12 Nov 2024
Whistle While You Work
S12E2 / 19 Nov 2024
The Saga Continues
S12E3 / 26 Nov 2024
Concrete Evidence
S12E4 / 03 Dec 2024
A Flood of Secrets
S12E5 / 10 Dec 2024
Hide And Seek
S12E6 / 17 Dec 2024
It's All Your Vault
S12E7 / 07 Jan 2025
A Bead On The Target
S12E8 / 14 Jan 2025
Brick By Brick
S12E9 / 21 Jan 2025
Graves Concerns
S12E10 / 28 Jan 2025
Best Caisson Scenario
S12E11 / 04 Feb 2025
Mapping It Out
S12E12 / 11 Feb 2025
Caissons Ho!
S12E13 / 25 Feb 2025
Sinking In
S12E14 / 04 Mar 2025
Channeling the Solution
S12E15 / 11 Mar 2025
Open Sesame
S12E16 / 18 Mar 2025
Boots on the Ground
S12E17 / 25 Mar 2025
If The Shoe Phips
S12E18 / 01 Apr 2025
Barreling Forward
S12E19 / 08 Apr 2025
Just Bead It
S12E20 / 15 Apr 2025
The Solution Solution
S12E21 / 22 Apr 2025
Knight After Knight
S12E22 / 29 Apr 2025
Family Ties
S12E23 / 06 May 2025
Into the Void
S12E24 / 13 May 2025
Uplifting Discoveries
S12E25 / 20 May 2025
Season 13
The Comeback
S13E1 / 04 Nov 2025
Billion Dollar Baby
S13E2 / 11 Nov 2025
Medieval Intentions
S13E3 / 18 Nov 2025
The Smoking Gun
S13E4 / 25 Nov 2025
Keep On Rockin'
S13E5 / 02 Dec 2025
The Heat Is On
S13E6 / 09 Dec 2025
Walk the Line
S13E7 / 16 Dec 2025
Into the Fold
S13E8 / 23 Dec 2025
So Close, Yet Sonar
S13E9 / 30 Dec 2025
Boulder and Wiser
S13E10 / 06 Jan 2026
A Knight's Journey
S13E11 / 13 Jan 2026
A Fort Knight
S13E12 / 20 Jan 2026
Testing Their Metal
S13E13 / 27 Jan 2026
The Shining
S13E14 / 03 Feb 2026
Swamped
S13E15 / 24 Feb 2026
Raising the Stakes
S13E16 / 03 Mar 2026
The Missing Links
S13E17 / 10 Mar 2026
Breaking the Seal
S13E18 / 17 Mar 2026
Axis of Medieval
S13E19 / 24 Mar 2026
The Sands of Time
S13E20 / 31 Mar 2026
A Sacred Symbol
S13E21 / 07 Apr 2026
Road Trip
S13E22 / 14 Apr 2026
Island Hopping
S13E23 / 21 Apr 2026
Overseaing the Dig
S13E24 / 28 Apr 2026
Pure Gold
S13E25 / 05 May 2026
Rick Lagina
Self
Marty Lagina
Self
Robert Clotworthy
Narrator (voice)
