The absolutely worst film ever ... “Laser Blast”, made in the 60s. I took the kids to the drive-in movie to see it, and they did everything but barf. From then on, whenever we talked about a truly bad move, one of them would pipe up and ask, “Was it as bad as LaserBlast?” It bacame the floor against which all bad movies were compared.
MST3K used that movie as one of it's bad ones, so I have seen it. Bad, but most of the movies they use are.