[No.] 36 [Title] "The Haunting of Hog Hollow" [Original airdate] 24 May 1980 [Synopsis] 
At the Hog Hollow Country Fair, something is wrong with country music singer Jasper Joe Jeeter's voice. Captain Caveman and the Teen Angels investigate when Jasper disappears on a ferris wheel. It soon becoming clear that Jasper's assistant is behind all this, so they use his own helium trick against him.