Season One of The Flintstones begins with the series' second pilot episode, "The Flintstone Flyer", in which Fred Flintstone and Barney Rubble use their newly invented flying machine to sneak out on a social commitment with their wives Wilma and Betty. The season’s third episode, "The Swimming Pool", is actually a remake and expansion of the series original four-minute "sample" episode prepared for potential sponsors,in which Daws Butler rather than Alan Reed supplied the voice of Fred and June Foray instead of Jean VanderPyl was heard as Wilma. As for the actual first full-length pilot episode, "The Great Tycoon", it remained unseen until unveiled as Episode #22 on February 24, 1961. Longtime fans of the series will be interested to note that The Flintstones uses a different opening-credits sequence and different theme song (Hoyt Curtin's "Rise 'N' Shine" than in later years. Also the characters are drawn in more blunt, rough-hewn fashion, and the humor is more geared for grownups than children. A sure giveaway that Hanna-Barbera wanted the series to be regarded as adult fare was in their choice of sponsors: One-a-Day Vitamins and Winston Cigarettes (collectors can still revel in those rare cast commercials showing Fred and Barney puffing away on coffin nails and enthusing over the pleasures of "filter-tip smokin'"). Finally, it is worth mentioning that the character of the Flintstones' pet dinosaur Dino makes his first official appearance in "The Snorkasaurus Story". Unlike the later Dino, this incarnation has the power of speech--indeed, he acts and sounds just like Sgt. Ernie Bilko, the scampish con artist created by comedian Phil Silvers. The series wastes no time in using its Stone Age milieu to poke fun at modern life. Both Elvis Presley and his manager Col. Tom Parker are given a good going-over in "The Girls' Night Out"; the TV detective series Peter Gunn is skewered in the person of private eye Perry Gunnitte (so tough that he only drinks "rocks on the...