Just watch The Greatest American Hero 1981 all of the seasons with 123Movies. All episodes are available in HD quality and you can even download and watch later. The Greatest American Hero first aired in the year 1981 and nominated for number of awards. 123Movies have all available episodes and you can watch them in HD quality. English subtitles available in the 123Movies player .You can also add your own subtitle to the player as well. If you like Action & Adventure, Comedy, Crime TV Shows, make sure to check other shows as well. If you love The Greatest American Hero share this with your friends!