Complex sentence: Miniseries (also mini-series) usually refer to a television program that tells a single story in a limited number of episodes, but may also refer to a similar treatment of a comic book story, although that is more commonly known as a "limited series".
Split into simpler sentences: Miniseries (also mini-series) is a term that usually refers to a television program that tells a story in a predetermined number of episodes. It may also refer to similar treatment of a comic book story, although that is more commonly known as a "limited series".