just show the kid star wars from the phantom menace to the empire strikes back, "first" trilogy is an innocent kid gets powerful and turns evil, the second trilogy is an innocent kid that vanquishes evil. and teach him that you can chose those paths or anything in between.
Watch Vikings Online
Vikings follows the adventures of Ragnar Lothbrok the greatest hero of his age. The series tells the sagas of Ragnar's band of Viking brothers and his family, as he rises to become King of the Viking tribes. As well as being a fearless warrior, Ragnar embodies the Norse traditions of devotion to the gods, legend has it that he was a direct descendant of Odin, the god of war and warriors.