Complex sentence: As such, it is one of the most controversial cartoons in the classic Warner Bros. library, has been rarely seen on television, and (because it is one of the Censored Eleven; see below) has never been officially released on home video.
Split into simpler sentences: As such, it is one of the most controversial cartoons in the classic Warner Brothers library, being one of the Censored Eleven. The cartoon has been rarely seen on television, and has never been officially released on home video.