Complex sentence: "This is the Way the World Ends" is the twelfth episode of the sixth season of the television series "Dexter" and the season finale, which will premiere on Showtime on December 18,2011.
Split into simpler sentences: This is the Way the World Ends is the twelfth and final episode of the sixth season of the Showtime television series Dexter. It will premiere on Showtime on December 18,2011.