He-Man and the Masters of the Universe (1983)

S1E45 Eye of the Beholder

A devastating drought has gripped Planet Eternia, leading to the demise of vegetation and the breakdown of technology, leaving even He-Man vulnerable. As the air grows increasingly thin, He-Man embarks on a quest to uncover the source of this crisis. His journey takes him to the Sea of Eternity, where he partners with an insect-like creature named Garth to tackle the issue. They soon discover that Skeletor is behind the calamity, employing a massive pumping device to siphon water from the sea.