Remember the episode "Can I Get A Witness," in which the cousins help convict a con artist named Vince? I remember in the courtroom scenes the state seal at the front. It had the date of August 26 in the 1800-1899 year range IIRC. There was the color blue in a white background; there could have been more colors.

Being from Ohio I'm no Illinois history expert, but I know Illinois entered the Union on December 3, 1818. (The year on the state seal could have been 1818.)

For the record, was the seal of the state of Illinois altered for that episode?