The Heroic Quest of the Valiant Prince Ivandoe Season 4 Episode 4

Ivandoe accidentally falls into a scary underground lair that houses a secret society. Under the leadership of Queen Mother of Svanland, its members are Prince Svan, Princess Sprinkle Joy, Lady Agatha, and Barron von Twinkletoes. The group has plans to punish the peasants of the five kingdoms for their past humiliations.