Watch Online Free on Watchseries. Over the last 40 years, commercial overfishing and bottom trawling have turned Scotland’s once-thriving west coast waters into sparse, lifeless deserts. Patagonia Films’ The Custodians follows the work of four locals from the West Coast of Scotland who are reclaiming their natural coastlines. They’re restoring wildlife, creating sustainable industries and showing us how we can work with, not against, our ocean.