Starring: Eddie Albert, Eva Gabor, Pat Buttram, Tom Lester
The Hole in the Porch - S6-E23
Continuity mistake: Eb turns on the water while Oliver is trying to fix a leaky pipe under the sink. Water drenches Oliver's face and hair. In the next several shots, his hair alternates between being wet and being dry.
TV Kiddie Show Host: Sure, I remember that kid, he had on the most realistic looking pig costume I've ever seen. He won first prize.
Oliver Douglas: No, you don't understand, Arnold is a real PIG.
TV Kiddie Show Host: I'll say he is! We had five gallons of ice cream for those kids, and he ate every bit of it himself.