Raven-Symone guest stars in this episode. Series regular, Orlando Brown, costars on her series "That's So Raven."
Guildenstern is a minor character from Shakespeare's Hamlet.
The Scarecrow company is named Bolger's after actor Ray Bolger, who played the Scarecrow in 'The Wizard of Oz.'
There actually are such things as miniature seeing-eye horses, though whether they are superior to the more traditional guide dogs is debatable.
The line about South Carolina seceding from the union references the fact that they were the first state to secede in 1860, leading to the start of the US Civil War.