The Littlest Princess
S2, E26: Sofia's amulet grants her power to become tiny after she helps three sprites, but when she disobeys her mother, her good deed backfires and she can't grow big again.
Starring Isla Fisher, Sean Astin
S2, E26: Sofia's amulet grants her power to become tiny after she helps three sprites, but when she disobeys her mother, her good deed backfires and she can't grow big again.