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The Mystery of Smith's Cove
When the team discovers something very unusual at Smith's Cove, Rick and Marty Lagina believe they've made a huge breakthrough in unlocking Oak Island's secrets.
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Other episodes for this season
![What Lies Below](https://image.tmdb.org/t/p/w300/4P3h8G3aK3BgsfOytLuCYv1YQfM.jpg)
![The Mystery of Smith's Cove](https://image.tmdb.org/t/p/w300/1fbSqn0fhGCGrqVaHJlheC5ZL1V.jpg)
![Outdoors: Voices from the Grave](https://image.tmdb.org/t/p/w300/aBJcL6bcFuHWuHHKUwlHa6uFpM6.jpg)
![The Secret of Solomon's Temple](https://image.tmdb.org/t/p/w300/lHIRnoAKO6K6CFafrs9jFLqil6K.jpg)
![The Find](https://image.tmdb.org/t/p/w300/aYO6loYKFJww5lk0qI5vP0TBgXp.jpg)
When the team discovers something very unusual at Smith's Cove, Rick and Marty Lagina believe they've made a huge breakthrough in unlocking Oak Island's secrets.