This is actually a pretty good watchable movie, even though it did not so great at the movies, people kind of discovered the picture when it came to video. Fairly simple story, Chevy Chase plays a investment banker who gets exposed to fusion energy and becomes invisable. Daryl Hannah plays a TV/film maker who discovers what happened to him, and falls in love with him (the romance is actually pretty honest and not cliched). There are some good ILM effects work and the ending is not a tragic one like 1941's the Invisable Man where Claude Reins played the part.
Buy and watch it. It's a comedy with a bit of heart,