Showtime’s series Homeland carried over its growth story to the season finale, which hit a season high with 1.71 million viewers at 10 PM and 2.03 million for the night to become the highest-rated finale for a freshman series in Showtime’s history. Compared with the series premiere, the finale was up 58% as the conspiracy thriller now ranks as Showtime’s highest-rated first-year series ever with an average of 4.23 million viewers per episode across all platforms, and the No. 2 overall behind Dexter. Homeland‘s lead-in, the Season 6 finale of Dexter, posted 2.23 million viewers at 9 PM, down 11% from last year’s closer but the most-watched Showtime telecast in 2011. For the night, the serial killer drama averaged 2.71 million viewers, down 7%. Season 6 is on track to become Dexter’s highest-rated season. It has averaged 5.4 million viewers per episode, 10% ahead of Season 5.