The four episodes are:Cat's CradleCome As You AreSpeciality of the HouseThe Ninth Removal.
Posts under ‘Old Time Radio Episodes’
Radio Shows Remembered | Whattayagonnado
Trek Down Memory Lane. Here's an unbelievable collection of all the old time radio shows. This is a chance to go back in time, and listen to radio
January 1970 – Comics, old time radio and other cool stuff
I have no idea if this means anything, but this is Jack Kirby's last year on FF and Thor (he'll be gone before the end of 1970) and, as his tenure on these books nears an end, both go into a long string of single issue stories.