So in this movie, there are some scenes that take place in the Brady Bunch house. It is true. But it's really only obvious in the kitchen... especially the scene where the scientist's wife's head goes up in flames. The other parts of the set were modified to make it somewhat inconspicuous... but if you have a keen eye, you'll notice it. This was filmed sometime in 1974, which was the year the final episodes of the Brady Bunch aired. So it appears that the bugs chased the Bradys out. Cousin Oliver probably brought the fiery critters into the house in his luggage. That kid ruined everything. He was said to be a "jinx." This proves it!