Episode 1
Stel and Jess begin their search for the lost city of Atlantis. In Bulgaria, they uncover mysterious gold treasure and evidence of an ancient catastrophe.
Episode 2
Stel and Jess explore underwater ruins off the coast of Greece. Their quest to find Atlantis leads them on ancient trade routes and into the heart of a volcano.
Episode 3
Stel and Jess investigate a mysterious Greek island where an ancient civilisation built a massive marble pyramid. Could this structure lead them to Atlantis?
Episode 4
Stel and Jess dig into unexplored archaeological sites along the Adriatic coast of Croatia. They find a network of sinkholes big enough to swallow an ancient city.
Episode 5
Stel and Jess sail to Sicily to explore Europe's largest active volcano. Their investigation leads them to a hidden labyrinth and a mysterious underwater monolith.
Episode 6
In Turkey, Stel and Jess investigate ancient cave paintings that could be connected to Atlantis. And, they examine a shifted shoreline and ruins of a lost city.