With voiceover work by the great "Word Jazz" creator Ken Nordine. I remember this commercial from when it first aired in 1977, and it really freaked my little 10 year old brain out. I just saw it again, and its power to freak my brain out has not diminished even slightly. Check it out:
http://youtube.com/watch?v=tEpFCgNXZLcAnother trippy one featuring Ken Nordine:
http://youtube.com/watch?v=VNKLmHvV3qo