The Henderson family returning from vacation accidentally hits an eight foot Bigfoot and brings it home. They decide to nurse him, and end up letting him stay with them.

The family takes Harry back to the woods, only to discover that his home territory has been clearcut. Meanwhile, Ernie doesn't want Harry to go away. (Part 1 of 2)

A local congressman's (Steve Landesberg) aid is sought when Harry's (Kevin Peter Hall) habitat is found destroyed. The clan petitions to save the forest. (Part 2 of 2)