[No.] 37 [Title] "The Legend of Devil's Run" [Original airdate] 31 May 1980 [Synopsis] 
Dee Dee's uncle, Winton, invites Captain Caveman and the Teen Angels to see the reopening of the Devil's Run Railway when a freight car full of silver disappears the same way a munitions car disappeared during the Civil War. Captain Caveman and the Teen Angels investigate the legend of the Civil War ghost said to have pulled off the robbery. Not only do they find out that the owner of the line was responsible, but they find out how the munitions car disappeared.