

30 votes
2018–
6 seasons
~47m/ep
Maritime mysteries—old and new—come to life in this series, combining scientific data and digital re-creations to reveal shipwrecks, treasures, and sunken cities on the bottom of lakes, seas and oceans around the world.
Season 1
10 episodes · 2018
Season 2
15 episodes · 2019
Season 3
10 episodes · 2020
Season 4
8 episodes · 2021
Season 5
6 episodes · 2022
Season 6
6 episodes · 2023
Status
Returning Series
First aired
May 28, 2018
Last aired
April 9, 2023
Seasons
6
Episodes
55
Networks
National Geographic
Language
English