TV Drain the Oceans Drain the Oceans 7/10 by 27 users 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. Details Casts Posters Images Title Drain the Oceans Alternative Titles Drain the Ocean: See What Lies Beneath Our Seas, Enthüllt: Geheimnisse der Meere, Drenar los océanos, Les secrets engloutis, Lecsapolt óceán, 海底大探索, Izsušitev morja First Air Date 2018-05-28 Last Air Date 2023-04-09 Number of Episodes 55 Number of Seasons 6 Genres Documentary, Networks National Geographic, Casts Craig Sechler Plot Keywords , Self - Narrator (voice) Craig Sechler