Expedition Unknownのシーズン0は、2015年11月11日に初回放送されました。

Expedition Unknownのシーズン1は、2015年01月08日に初回放送されました。

Armed with a degree in archaeology, a quick wit and a hunger for adventure, Josh Gates investigates the latest developments in each unsolved legend before embarking on a fully immersive exploration. To separate fact from fiction, Gates inserts himself in different cultures to understand the world as they do. Whether he's trekking through Fiji in search of Amelia Earhart's remains or diving the deep seas of Panama to locate Captain Morgan's pirate ship, Gates' authentic roughshod adventures lead him one step closer to finding the truth.

Expedition Unknownのシーズン2は、2015年10月07日に初回放送されました。

Leaving no stone unturned, Josh Gates' adventures take him around the globe as he immerses himself in the core locales linked to each tale. From excavating ruins in search of the real Robin Hood to sailing the high seas investigating Christopher Columbus and exploring Nepal's "sky caves" for Shangri La, Gates' archaeological background and ubiquitous sense of humor generate a new take on age-old stories.

Expedition Unknownのシーズン3は、2016年11月02日に初回放送されました。

The third season takes on such lingering questions as: Who was D.B. Cooper and what became of him? Is Captain Kidd's lost treasure still out there waiting to be found? Where is Attila the Hun's tomb? From excavating ruins and jumping out of planes to diving for treasure in the deep seas, Josh Gates goes on sixteen thrilling expeditions and they are some of his biggest adventures yet.

Expedition Unknownのシーズン4は、2017年12月27日に初回放送されました。

This time, Josh Gates' insatiable curiosity and appetite for adventure leads him to destinations around the world, uncovering the truth behind more illustrious legends and fascinating lore. With access to the latest research and scientific technology, Gates tackles twelve all-new expeditions, including: the history of the mighty Vikings; the mystery of Stonehenge; the lost tombs of the Mayan Snake Kings; the search for a ship trapped in the dunes of Australia; a quest for the true identity of Nefertiti; and the hunt for twelve buried treasure boxes hidden right here in America.

Expedition Unknownのシーズン5は、2018年05月29日に初回放送されました。

From a long-lost city hidden in the vast jungles of Guatemala to the hunt for a stolen pair of the iconic (and priceless) ruby slippers from The Wizard of Oz, avid explorer Josh Gates sets out across the globe to investigate the greatest mysteries of all time. The series kicks off its Discovery debut with a two-part quest to the lost-city of El Mirador deep in the Guatemalan rainforest.

Expedition Unknownのシーズン6は、2018年10月07日に初回放送されました。

Josh Gates journeys across the globe to investigate into the spirit world and answer mankind's greatest unsolved mystery: Where do we go when we die? From a ghost hunt at one of the most haunted places on earth to getting a firsthand glimpse of the afterlife with ancient medicine, Josh will put it all on the line for a glance of what's beyond this life.

Expedition Unknownのシーズン7は、2019年04月07日に初回放送されました。

Ardent explorer and adventurer, Josh Gates has traveled to the ends of the earth investigating the greatest legends in history. Now, he's back with his most daring adventures yet. From following in the footsteps of the real Indiana Jones to learn the truth behind the fabled Crystal Skull of Doom, to diving the Great Lakes in search of the Holy Grail of lost American shipwrecks, The Griffon, Josh takes viewers on exhilarating expeditions around the world. An epic 2-hour event live from Egypt kicks off the new season.

Expedition Unknownのシーズン8は、2019年08月07日に初回放送されました。

Expedition Unknownのシーズン9は、2020年02月04日に初回放送されました。

Expedition Unknownのシーズン10は、2021年07月21日に初回放送されました。

Expedition Unknownのシーズン11は、2022年05月25日に初回放送されました。

Expedition Unknownのシーズン12は、2023年05月24日に初回放送されました。

Expedition Unknownのシーズン13は、2023年11月15日に初回放送されました。

Intrigued by legendary mysteries and driven by curiosity, Josh Gates is on a mission for answers. `Exhibition Unknown' chronicles his global adventures as he investigates iconic unsolved events, lost cities, buried treasures and other puzzling stories. Armed with a degree in archaeology, a quick wit and a thirst for action, Gates investigates recent developments before embarking on a detailed exploration. Whether he's trekking through Fiji in search of Amelia Earhart's remains or diving the deep seas of Panama to locate Captain Morgan's pirate ship, Gates' roughshod expeditions lead him one step closer to the truth.

Expedition Unknownのシーズン14は、2024年06月19日に初回放送されました。