This is 1978, and the Peanuts vogue has passed. It’s been replaced by another juvenile fancy: Sesame Street. Imagine this picture surfacing a thousand years hence, Canticle-for-Lebowitz style, and imagine monks attempting to decipher its meaning:

Mistakes of the ice. Foolhardy, headstrong errors of the ice. Obviously this was an instructional manual. In the upper left-hand corner we understand the warning: do not let your flatulence propel you into the maw of the giant bipedal bird. In the middle upper quandrant, we see how nuclear energy emissions produced conjoined twins.

Of the bluish levitating beast, even our brightest scholars have no explanation.

You'll also note some sort of Star Wars-type thing tossed into the mix.