Not Insane starts out with an annoying humming sound and a bunch of pointless (and seemingly endless) talk between cast and crew. Unfortunately, it doesn't get much better after that. After the more sketch-oriented feel of Dear Friends, it was becoming clear that Firesign Theatre had blown most of its creative load and was searching for a direction. The material is taken from a variety of sources, and it doesn't congeal very well. It's somewhat telling that the sides are labeled "Not Insane" and "Not Responsible." For completists only.