Sealab 2021 Episode 51 No Waterworld Episode Title: No Waterworld Episode Description: All the water around Sealab mysteriously disappears as a result of an alien landing. Debbie Dupree, feeling shut out by her male colleagues (hence the quote "Debbie, the men are talking.") conducts her own investigation while Sparks sells off all the oxygen tanks and shoots out all the glass windows in the station with an AK-47, resulting in yet another catastrophe when the water finally returns.