The Curse of Oak Island backdrop
The Curse of Oak Island S13E18 — Breaking the Seal
6.3
The Curse of Oak Island•Season 13•Episode 18

Breaking the Seal

6.3/10 · 28 votesMar 17, 2026

Ranked #13 of 25 in Season 13•matches the season avg

Discussion

After raising the 40,000-pound boulder from Lot 8, the team is astonished to find a manmade feature that may be hiding a shaft or tunnel.

Previous episodeE17 · The Missing LinksNext episodeE19 · Axis of Medieval
BestEpisodes
WorstEpisodes
BestSeasons
AllEpisodes

Seasons14

All1234567891011121314

Season 13 Episodes25

The Comeback stillE1 7.1

The Comeback

Billion Dollar Baby stillE2 6.3

Billion Dollar Baby

Medieval Intentions stillE3 6.4

Medieval Intentions

The Smoking Gun stillE4 6.6

The Smoking Gun

Keep On Rockin' stillE5 6.5

Keep On Rockin'

The Heat Is On stillE6 6.4

The Heat Is On

Walk the Line stillE7 6.1

Walk the Line

Into the Fold stillE8 6.0

Into the Fold

So Close, Yet Sonar stillE9 6.4

So Close, Yet Sonar

Boulder and Wiser stillE10 6.3

Boulder and Wiser

A Knight's Journey stillE11 5.9

A Knight's Journey

A Fort Knight stillE12 6.0

A Fort Knight

Testing Their Metal stillE13 6.3

Testing Their Metal

The Shining stillE14 6.2

The Shining

Swamped stillE15 6.0

Swamped

Raising the Stakes stillE16 6.8

Raising the Stakes

The Missing Links stillE17 6.7

The Missing Links

Breaking the Seal stillE18 6.3Now viewing

Breaking the Seal

Axis of Medieval stillE19 6.2

Axis of Medieval

The Sands of Time stillE20 5.9

The Sands of Time

A Sacred Symbol stillE21 5.8

A Sacred Symbol

Road Trip stillE22 5.8

Road Trip

Island Hopping stillE23 5.8

Island Hopping

Overseaing the Dig stillE24 6.1

Overseaing the Dig

Pure Gold stillE25 6.7

Pure Gold

Cast4

Rick Lagina

Rick Lagina

Self

Marty Lagina

Marty Lagina

Self

Robert Clotworthy

Robert Clotworthy

Narrator (voice)

Gary Drayton

Gary Drayton

Self- Metal Detection Expert

Discussion

0 comments

Join the conversation

Share your take and reply to other fans.

No comments yet

Be the first to share your thoughts on this episode.

Episode Summary

"Breaking the Seal" is episode 18 of The Curse of Oak Island season 13. It scored 6.3/10 from 28 votes, ranking #13 of 25 episodes this season (season average 6.3). It aired on March 17, 2026.

Next: E19 · Axis of MedievalBest of Season 13