Ghost of Clampett Castle - S7.E5

Mr Drysdale wants to go home,but the Clampetts aren't ready to go yet. Faversham tells him about the Ghost of Clampett castle. Mr Drysdale thinks this will scare the Clampetts & they'll want to go home. Mr Drysdale tells them the story & Jethro wants to hold a seance to contact the ghost. Mr Drysdale dresses as a ghost & almost has them packing their bags until Granny shoots the 'ghost'with her shotgun & he goes howling down the hall. On the trip home Mr Drysdale has to stand all the way 'cause he can't sit down.!