Complex sentence: "Kennedy and Heidi" is the 83rd episode of the HBO television series "The Sopranos", the sixth episode of the second half of the show's sixth season, and the 18th episode of the season overall.
Split into simpler sentences: Kennedy and Heidi is the eighty-third episode of the HBO television series "The Sopranos". It is the sixth episode of the second half of the show's sixth season, the eighteenth episode of the season overall.