I was 10 when this premiered and watched it regularly. The comment here about Arnie being moved or pre-empted because of political coverage jogged my mind a bit. Remember when that political stuff was on all the network channels and there was nothing else to watch? A nightmare for a kid in 1970. I remember Arnie being a good family show and probably had a crush on Sue Ann Langdon and didn't know it. (As I was 10!) But she was a doll. I remember Charles Nelson Reilly, too. I can't recall Arnie *ever* being shown in reruns. Come on SHOUT FACTORY! Give us a box set! The thing I was most enthused about was that my school teacher told us that Herschel Bernardi was the voice of CHARLIE THE TUNA! So we must have discussed it in class for some reason! I always watched Arnie with that in mind.
