"Ninjago: Masters of Spinjitzu" is an animated television series that follows a group of young ninjas as they protect their land, Ninjago, from various villains. The main characters include Kai, Lloyd, Zane, Cole, Jay, and their mentor, Sensei Wu. Each ninja possesses unique abilities and elemental powers, which they use to battle evil forces. The series features a blend of action, adventure, and humor, appealing to both children and adults. It explores themes of friendship, teamwork, and personal growth as the ninjas face challenges and learn valuable lessons throughout their journeys.