Flipper & Lopaka S01E08 - The Sea Serpent

Dexter and his henchmen have a big feast, but make a mess of Quetzo with their litter. Flipper makes them clean it up, but the sharks secretly dump it in the Big Deep. The next day Iloka is terrorized by a huge sea serpent. Lopaka and Flipper discover that the serpent is from the Big Deep, and has some of Dexter's rubbish caught in its throat.