Two cable series launched their fourth seasons Sunday to different results. Showtime’s The Tudors entered its final cycle with 883,000 viewers tuning in, ranking as the highest rated episode in the series’ history. Meanwhile, the 4th season premiere of Lifetime’s Army Wives drew 3.3 million viewers, the drama’s lowest-rated season opener. (Wives still ranked as the top drama on ad-supported cable last week in the women’s demos.)

Additionally, two series are changing networks. Comcast Entertainment Group has acquired the basic cable rights to HBO’s Sex and the City, which will transition from TBS to E! and the Style Network in January 2011. And WWE’s Friday SmackDown, is switching from MyNetworkTV to Syfy starting October 1.Syfy’s original Friday night drama series will move to Tuesday night, while WWE NXT will end its run after one season.