|Nexo Knights: The Animated Series|
Jestro the Bad... the Really, Really Bad is a webisode of Nexo Knights: The Animated Series.
After yet another defeat, Jestro thinks back on his life and all he did before he became bad. We see him try to be a wizard, a knight, and of course, a jester. The Book of Monsters starts training Jestro in evil and they attack a village. The knights arrive to fight and soon have Jestro and the Book of Monsters on the run.