He's invented a machine that will make old people feel and act younger. However, it takes Diane and Wayne's youth, giving it to an older couple; the effects take a long time to kick in. As the other couple grows young and immature, Wayne and Diane grow old and scared for their lives. Can Nick and Amy find the old couple and bring them back before Wayne dies of old age and can't reverse the process?

Wayne and his family are going camping with the chief and his kids. Wayne makes a home away from home that he carries on his back. At night time during a storm it takes them back to the prehistoric age and now they must figure out a way to get back to the future.

After wrestlers Bret and Owen Hart are injured at the Szalinskis', Wayne and the Chief agree to take their places in a match, aided by Wayne's remote-controlled bodysuit.