Dorothy and the Wizard of Oz
Sisterhood of the Witch
S2 E22:
When Wilhelmina temporarily loses her powers, she has Frank and Lyman go undercover to try and get Dorothy's ruby slippers, but the monkeys find out that it is easy to get in too deep. Also, when the Sisterhood of the Witch discovers the Wicked Witch has lost her powers, a rival witch takes over her castle and the Wicked Witch must recruit the Wizard to help regain control of the castle.