As a very young 70s kid, In Search Of gave me a few nightmares. I still like it even with its dated looks.
They must have bought some high priced synthesizers. Plenty of it in every episode.
When “IN SEARCH OF” premiered forty or so years ago, they also published a book written by Alan Landsburg, published by Bantam Books, of the same title to generate publicity for the show. I read it at that time, and it was interesting, proposing lots of unanswered questions.
Fifteen years later, I came upon the same book, and reread it. It had been so debunked that it was really laughable that anyone fell for the story lines.
Rinder & Lewis made some great mood music for the show, as well as the theme.
There was an LP record of music from “In Search Of....” released; unfortunately, the original show version of the theme music was not included.