"Thought he was going to be on The Beverly Hillbillies yesterday as I was typing my response. The episode was about a boy from home coming to BH and he was a singer. Hoyt had a similar arc on BH.
Turns out, it was "Keevy". Jesse Pearson as Johnny…"
"I always liked Hoyt, but if he was in TAGS, it must've been a color episode. Seems like most of his appearances started mid to late 60's.
To quote my grand-niece, "Fun fact": Do you know his connection to Three Dog Night?"