He-Man and the Masters of the Universe - Season 2 Episode 34 The Time Wheel

When investigating an ancient temple with Prince Adam, Orko accidentally brings the barbaric King Tamask from Ancient Eternia to the present, with a magical Time Wheel. When he comes across the Royal Palace, Tamask is confused by how it has changed and believes Randor is a magician who has taken over his kingdom. Angrily, he attempts to fight to reclaim the kingdom he thinks has been stolen from him. He-Man must help Tamask see the light, as well as convincing him to turn from his violent ways.