Fantastic Four is a short lived 1975 radio drama based on the Marvel Comics series. It adapted the early issues of the comic book by Stan Lee and Jack Kirby and features Bill Murray as Johnny Storm/The Human Torch.
Episodes
“Fantastic Four Meets the Moleman” (based on Fantastic Four #1)
“Menace of the Miracle Man” (based on Fantastic Four #3)
“Coming of the Submariner” (based on Fantastic Four #4)
“Fantastic Four Meet Doctor Doom” (based on Fantastic Four #5)
“Prisoners of the Puppet-Master” (based on Fantastic Four #8)
“Fantastic Four Meet the Incredible Hulk” (based on Fantastic Four #12)
“Spell of the Hate Monger” (based on Fantastic Four #21)
“Return of Doctor Doom” (based on Fantastic Four #16)
“Fantastic Four in the Clutches of Doctor Doom” (based on Fantastic Four #17)
“A Super-Skrull Walks Among Us” (based on Fantastic Four #18)
“At the Mercy of Rama-Tut” (based on Fantastic Four #19)
“The Menace of the Red Ghost” (based on Fantastic Four #13)
“The Submariner Strikes” (based on Fantastic Four #14)
You can listen to them here.