Season 4
Episodes
1 The Butterfly Effect (1) Oct 16, 2009 
2 The Butterfly Effect (2) Oct 16, 2009 
3 Blue On Blue Oct 23, 2009 
4 The Wiener, the Bun and the Boob Oct 30, 2009 
5 Plus None Nov 6, 2009 
6 Backseat Betty Nov 13, 2009 
7 Level (7) with Me Nov 27, 2009 
8 The Bahamas Triangle Dec 4, 2009 
9 Be-Shure Dec 11, 2009 
10 The Passion of the Betty Jan 6, 2010 
11 Back in Her Place Jan 13, 2010 
12 Blackout! Jan 20, 2010 
13 Chica and the Man Feb 3, 2010 
14 Smokin' Hot Feb 10, 2010 
15 Fire and Nice Mar 10, 2010 
16 All The World's A Stage Mar 17, 2010 
17 Million Dollar Smile Mar 24, 2010 
18 London Calling Mar 31, 2010 
19 The Past Presents the Future Apr 7, 2010 
20 Hello Goodbye Apr 14, 2010