Some might even say it peaked in the 1970s with Spidey Super Stories on The Electric Company:
https://www.youtube.com/watch?v=gA_Hs9DkmOoVideo can't be loaded because JavaScript is disabled: The Electric Company – Spidey Meets the Spoiler (https://www.youtube.com/watch?v=gA_Hs9DkmOo)
That's Morgan Freeman narrating, by the way, long before Morgan Freeman narrating stuff became a thing[...]
