He-Man and the Masters of the Universe a "life lesson" or "moral of the story" at the end of each episode. This moral was usually directly tied to the action or central theme of that episode. The show was so successful that it spawned a spin-off series, "", following the adventures of He-Man's sister, Princess Adora. Mattel's subsequent attempts to relaunch the He-Man toy line also led to the short-lived sequel series "The New Adventures of He-Man" in the early 1990s, and an update of the series for a contemporary audience in 2002. It is also noted for featuring early script-writing work from J. Michael Straczynski, later
Mr. Hero the Newmatic Man a farmer, who later sold him to a magician. The magician trained Mr. Hero to box and used him as a prop in his act. Using Mr. Hero's second head (the "Ratiocinator"), Mr. Hero would give advice to the audience. Then, his less rational but more physically able head would be fitted to his body and he would engage in Queensbury Rules boxing with a member of the audience. During the boxing, a member of the audience would be challenged to knock out Mr. Hero, while he would not attack. However, at one event he mysteriously lost control of his