[netguide]

Don’t forget that pigs grow up very fast so there were actually many “Arnold the pigs”. A tribute to the intelligence and trainability of the pig.

[EvilCapitalist]

I’m sure many Arnold the pigs ended up as Ham, or Bacon, or Pork Chops.

[HandyDandy]

Don’t forget that pigs grow up very fast so there were actually many “Arnold the pigs”.
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I kinda recall reading that in TV Guide.