Violence is the only means of conflict resolution throughout the series. A father and son come to understand and respect each other. The multicultural cast includes Asian-American and African-American characters, and females are clearly the guys' equals.
All kinds of action-hero fighting, including laser blasts, kicking, punching, and explosions. Characters are banged around a lot, but no lasting injuries are shown. Some bad guys appear to break into unrecognizable pieces when they're hit. In one scene, a character is thrown into a pit of lava, but the impact isn't shown.
Power Rangers merchandise (toys, games, clothes) gets a lot of publicity from the series.