Complex sentence: When a flood hits Quahog, Meg winds up in the hospital in a coma, and an over-protective Peter vows he will take extra care of her and Stewie and Brian decide to renovate a wrecked house and sell it to get rich.
Split into simpler sentences: When a flood hits Quahog, Meg winds up in the hospital in a coma, and an over-protective Peter vows he will take extra care of her. As a side plot, Stewie and Brian decide to renovate a wrecked house and sell it to get rich.