Back when TV Guide was a must-have accessory to watching television. I devoured it each week and mostly for the listings rather than the articles.Keep in mind many people subscribed to TV Guide where color shows were indicated in the listings
View attachment 93278
As to NBC, apparently they paid a firm a lot of money to come up with a new logo to replace the peacock logo:
View attachment 93279 which bore a striking resemblance to on the PBS affiliates in Nebraska used and produced for considerably less money.
As the new season under the N logo didn't do well - they reintroduced the Peacock logo.
NBC logo - Wikipedia
en.wikipedia.org