It's About Time (1966–1967)
Joel sings part of the theme song.
referenced as part of Joel & the Bots' comments
"Well, it's about time!" Tom: "It's about space."
Frank: "It's the type of material used by the astronauts on 'It's About Time.'"
Joe E. Ross's caveman portrayal of Hyde is a virtual recreation of his Gronk character from this 1960's comedy series.