However, the following TVC for Cadbury’s Crunchie is even older (1975) and they remembered it, due to its long run, even after the packaging changed. (There was a CGI version that updated the packaging—which is not worth talking about.)
‘I think they’re wonderful. They have so much courage! Here they are, hurling through space on a molten rock at 67,000 miles an hour, and the only thing that keeps them in their shoes is their misplaced faith in gravity.’—John Lithgow as Prof Dick Solomon, in Third Rock from the Sun