Arnold Visits Arnie / Chocolate Boy - S5-E12
Audio problem: Arnold Visits Arnie: When Arnold, Arnie, and Lulu leave Arnie's house, the shot fades to them at the swimming hole. Lulu then says, "So," but her mouth does not move. (00:04:39)
Arnold Visits Arnie / Chocolate Boy - S5-E12
Audio problem: Arnold Visits Arnie: In the country store, when Lulu tells Arnold to get some of the apple butter on the shelf, Arnold says, "Sure," but his mouth doesn't move. (00:05:41)
Arnold Visits Arnie / Chocolate Boy - S5-E12
Audio problem: Arnold Visits Arnie: During the hayride, Arnold tells Hilda that she has a little straw in her hair. When he says, "Let me get it for you," his mouth does not move; it just stays in a smile. (00:09:14)
Answer: The show is based in present day times. Plus most cars aren't old fashtioned, I recall seeing a limo and not to mention a cherry picker, etc.