The Underdog Show - "A New Villian"

After a violent thunderstorm ravages the city, the community gathers in front of one of the steel buildings to see a message revealed inscribed on its side: 'To Underdog, A Rhyme in Time Saves Nine'.

Underdog is an American Saturday morning animated television series that ran from October 3, 1964, to March 4, 1967 starting on the NBC network until 1966, with the rest of the run on CBS, under the primary sponsorship of General Mills, for a run of 62 episodes. It is one of the early Saturday morning cartoons. The show continued in syndication until 1973.