Harry and the Hendersons

The name of this movie is Harry and the Hendersons released in 1987-06-05 and it's main theme is Returning from a hunting trip in the forest, the Henderson family's car hits an animal in the road. At first they fear it was a man, but when they examine the body they find it's a bigfoot. They think it's dead so they decide to take it home there could be some money in this. As you guessed, it isn't dead. Far from being the ferocious monster they fear Harry to be, he's a friendly giant..