Mike heads to the site of a future California neighborhood where he learns that there's more to erosion control than one might think. Then Mike gets a bird's eye view of Palm Springs as he helps maintain and repair the tram 8,500 feet above the city. 

Mike gets dirty in Alaska as he helps protect the environment by cleaning up an oil spill. He then travels to Minnesota where he works to pull a car out of a lake that has fallen through the ice.