You possibly haven't lived until you've seen a gag where Chevy snorts "Demon Powder" like cocaine and, breaking the fourth wall, stares into the camera all coke-nosed yelling, "Yessss.... I like it!".
Apart from that it's a curio that tries to mash up telekinesis with standard comedy and pretty much fails.
1981 was a bad year for Mr. Chase with this and the other bizarre comedy choice that was Under the Rainbow.