Seven Dragon Sins - S2.E24

When the Knights venture to Avalon, they succumb to the idle fancies of a Wishing Well and find themselves being granted their fondest wish. Everything is fine until Flicker inadvertently wishes for knighthood and a grand quest! The knights end up in netherworld facing a myriad of crazy quests, and should they fail, they will spiral down an endless vortex of doom and despair for all eternity!