With their endless battles over the ranger's cabin which they do not want to share Grizzy and the Lemmings end up blowing the cabin up. / The Lemmings encounter a white bear which has drifted all the way to them on a chunk of ice which is slowly melting. / Grizzy gets rid of the Lemmings by crushing them. / The Lemmings discover a strange pond in an American Indian grotto that has the power to rejuvenate anyone who dips in it. / Before taking a nap Grizzy locks the food in a cupboard to prevent the Lemmings from getting into it. / When Grizzy and the Lemmings accidentally activate a magic disk representing the earth they are sent back in time to the prehistoric era.