Well as far as I know I won't be able to watch SD this friday since it seems that it won't be on MY9 or CW in NYC. 
Edit: I checked on WWE.COM and I was able to find the schedule for SD in sept: 
New York/WPIX: 
Saturday, Sept. 2, 2-3 p.m.* 
Saturday, Sept. 9, 8-10 p.m. 
Saturday, Sept. 16, 8-10 p.m. 
  
Los Angeles/KTLA: 
Saturday, Sept. 2, 12:30-1:30 a.m.* 
Sunday, Sept. 10, 3-5 p.m. 
Sunday, Sept. 17, 3-5 p.m. 
  
Chicago/WGN 
Saturday, Sept. 2, 11:30 p.m.-12:30 a.m.* 
Saturday, Sept. 9, 11:30 p.m-1:30 a.m. 
Saturday, Sept. 16, 11:30 p.m-1:30 a.m. 
  
Washington/WDCW 
Saturday, Sept. 2, 11 p.m.* 
Saturday, Sept. 9, 8-10 p.m. 
Saturday, Sept. 16, 8-10 p.m. 
  
Houston/KCHW 
Saturday, Sept. 9, 7-9 p.m. 
Saturday, Sept. 16, 7-9 p.m. 
  
Hartford, Conn./WTXX 
Saturday, Sept. 9, 8-10 p.m. 
Saturday, Sept. 16, 8-10 p.m. 
  
*Note that these broadcasts are a one-hour version of the Sept. 1 original episode of Friday Night SmackDown.