The Dream Machine is a machine that gives people what they want at the cost of the environment. A village discovers it and it changes how they act towards others and material wants as well as causing them to have a disregard for home and surrounding environment.
Hoggish is building a golf resort in a desert, which would require a lot of grass. Grass needs vast amounts of water, but the town is trying to conserve their water, so the Planeteers must stop him.
Brad deals with a difficult customer and gets frustrated. He finally explodes in anger, and his manager fires him without getting his perspective on the situation.
Eddy commits an unselfish deed by replacing a dead bulb on a Christmas tree, prompting Santa to deliver presents to all of the kids in the cul-de-sac. It is clear that one selfless act isn't enough to change his character, however, as he takes everyone's presents for himself.