Chuck and Andy explore Lake Winnipeg, one of the largest lakes in the world and find out that sometimes you can have "too much of good thing.” The boys find out what a watershed is and how too much human interference has created a nasty situation in Lake Winnipeg. Luckilyàthings are about to get better. Dr. Greenie toys with the concept that “less is more,” when he tries to build a lake in the lab to help protect the planet's water supply.GP ends updeep in a well digging for water.

Originally released by Distribution360, 2014. Streaming video file encoded with permission for digital streaming by Infobase on June 26, 2015.

What is a Watershed? (2:22); --Good and Bad Algae (2:18); -- Lake Winnipeg Facts (2:45); -- Yellowknives (2:59); -- Lake Winnipeg Research Consortium (2:58); -- Australia's Kangaroos (3:38); -- Keeping Water Clean (2:42); -- Credits: Ocean in the Prairie: Planet Echo Season 4 (0:58); .