The cops' motorcycles lean to the wrong side when they put them on their kick stands. All motorcycles' kick stands are on their left hand side because most riders prefer to dismount to the left, If the stand were on the right, you could not reach it from the left.
The whale at the sea park is named "Jambu", which is supposed to reference the famous movie whale "Shamu", but the announcer goofs once during the show and actually calls the whale "Shamu" one time. Durring the whale's last trick in the show the boys are watching, the announcer says "That's Kelly riding on SHAMU'S nose".