Comedic take on the Invisible Man motif, featuring Disney's Medfield College gang of Dexter Riley, Dean Higgins et al. A good showcase for Kurt Russell's early work in comedy, before he started doing violent action heroes a few years later.
This time, Riley (Russell) is one of several college students trying to win a scientific invention contest. Lightning strikes (literally) and he finds himself in possession of a viable invisibility potion. He is ready to wow the world with this scientific breakthrough, but then, some evil hi jinx by crooks intervene, setting up some weird moments, car chases, predictable slapstick, keystone cop style bumbling, and other tomfoolery. The invisibility special effects are cheap, but it doesn't matter.
There are some slow points and lulls, but the good scenes make up for it. The golf sequences and the "invisibility presentation" bit are the funniest moments. The cast features some great character acting by Joe Flynn, Cesar Romero, Jim Backus, and William Windom.
Brainless fun for when you're in the mood for 3 Stooges type slapstick.