The Prince and the Chosen One The Heroic Quest of the Valiant Prince Ivandoe : Season 4 Episode 3

Bert becomes the chosen one as leader of the council of heroes after lifting their sword, with Henry the Hedgehog retired being leader. Because of being squire for Sir Bertbut (which is Bert), Ivandoe learns that the heroes were talking about the "Epic Griffin of Doom", making him had to fight it.