Arthur Holden who appeared in this episode as the Court Jester previously appeared in "The Tale of the Midnight Ride" as Ichabod Crane's Ghost and science teacher Mister Brooks in "The Tale of the Dead Man's Float".
Danette MacKay who plays the keeper also plays the night nurse in "The Tale of the Night Nurse".
Allan: Nobody makes me look foolish!
Judge: The wisdom glass says...time for lunch!
Court Jester: Credentials, utensils...let's all use pencils!
Though this is the eighth episode of the season, on the season 6 DVD "The Tale of the Wisdom Glass" is episode 9.
This story was told by Quinn.