Yogi bear is back in this 1973 installment of Yogi's adventures. He is accompanied by the whole gang: Huckelberry Hound, Quick Draw McGraw, Touche' Turtle, Snagglepuss, Wally Gator, Magilla Gorilla, and the rest, even Boo Boo! They fly on Yogi's Ark, a ship that flies in the air battling villians who threaten to pollute the Earth.