Complex sentence: The second season of "Kate Plus 8" premiered on April 4,2011, though on August 15, TLC announced that the series would be cancelled after it reached 150 episodes.
Split into simpler sentences: The second season of "Kate Plus 8" premiered on April 4,2011. However, On August 15,2011, TLC cancelled "Kate Plus 8" and said that the show will end after it hits 150 episodes.