Ninjago: Masters of Spinjitzu (2011)

In the city of Ninjago, a group of teenage ninjas trained in the art of Spinjitzu must use their skills to protect their city from the evil Lord Garmadon and his army of skeletons, snakes, and other villains. With the guidance of their wise master, Sensei Wu, the ninjas battle against various enemies and navigate the challenges of being young heroes. As they face different threats and discover new powers, the ninjas learn the importance of teamwork, friendship, and courage.