International Ninja Day

December 5, Friday!

It’s International Ninja Day, and Cartoon Network is celebrating with a ninja takeover! Watch the LEGO Ninjago ninjas as they train to become protectors of the Four Elemental Weapons of Spinjitzu; Finn & Jake as they ninja-battle in a secret cave in Adventure Time; an internet ninja sensation sacrifices his life to save Mordecai and Rigby in Regular Show; and Scooby scuffling against an army of ninja-robot monsters in Scooby Doo and the Samurai Sword!