* In an outside scene in an alley in the episode ''[[Robocat]]'', the camera pans upwards at the very end and shows the shapes of the Twin Towers against the evening sky.
 
* In an outside scene in an alley in the episode ''[[Robocat]]'', the camera pans upwards at the very end and shows the shapes of the Twin Towers against the evening sky.
 
* The flight of the dog house in ''[[The Carpetsnaggers]]'' ends upon the antenna on top of the Chrysler Building.
 
* The flight of the dog house in ''[[The Carpetsnaggers]]'' ends upon the antenna on top of the Chrysler Building.
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