Complex sentence: A good example of a dystopian society would be an episode in the television series "black mirror" called "Fifteenth Million Metris", in which the society that the lower class lives in is a terrible place.
Split into simpler sentences: A good example of a dystopia type of society would be a certain episode in the t.v series called the "black mirror". In the episode called "Fifteenth Million Metris", the society that the lower class lives in is a terrible place.