After Flesh, Dale and Jerkoff's brief orgy on the way to the planet Porno, Dale is seen starting to get dressed. In the next shot she is naked again, and stays naked until Jerkoff gives her something to wear.
In one of the first scenes, a character clearly says, "Dr. Gordon, all of us here are aware of the total degragation that has overcome the masses." Obviously, he was meant to say "degradation."