Complex sentence: Wanting a perfect family vacation, the Simpsons go to Itchy & Scratchy Land, however things take a turn for the worst when a horde of Itchy and Scratchy robots go on a murderous rampage.
Split into simpler sentences: Wanting a perfect family vacation, the Simpson family visits Itchy & Scratchy Land. The trip starts out great, but things take a turn for the worst when a horde of Itchy and Scratchy robots go on a murderous rampage.