January 7, 2010
Episode 1 of Season 4 premiered on January 7, 2010
January 14, 2010
Episode 2 of Season 4 premiered on January 14, 2010
January 18, 2010
Episode 3 of Season 4 premiered on January 18, 2010
January 21, 2010
Episode 4 of Season 4 premiered on January 21, 2010
February 18, 2010
Episode 5 of Season 4 premiered on February 18, 2010
February 25, 2010
Episode 6 of Season 4 premiered on February 25, 2010
March 4, 2010
Episode 7 of Season 4 premiered on March 4, 2010
March 11, 2010
Episode 8 of Season 4 premiered on March 11, 2010
March 18, 2010
Episode 9 of Season 4 premiered on March 18, 2010
March 25, 2010
Episode 10 of Season 4 premiered on March 25, 2010
April 8, 2010
Episode 11 of Season 4 premiered on April 8, 2010
April 15, 2010
Episode 12 of Season 4 premiered on April 15, 2010
April 22, 2010
Episode 13 of Season 4 premiered on April 22, 2010
April 29, 2010
Episode 14 of Season 4 premiered on April 29, 2010
May 20, 2010
Episode 15 of Season 4 premiered on May 20, 2010
May 27, 2010
Episode 16 of Season 4 premiered on May 27, 2010
June 10, 2010
Episode 17 of Season 4 premiered on June 10, 2010
July 1, 2010
Episode 18 of Season 4 premiered on July 1, 2010
July 8, 2010
Episode 19 of Season 4 premiered on July 8, 2010
July 15, 2010
Episode 20 of Season 4 premiered on July 15, 2010
July 22, 2010
Episode 21 of Season 4 premiered on July 22, 2010
July 29, 2010
Episode 22 of Season 4 premiered on July 29, 2010
September 23, 2010
Episode 23 of Season 4 premiered on September 23, 2010
September 30, 2010
Episode 24 of Season 4 premiered on September 30, 2010
October 7, 2010
Episode 25 of Season 4 premiered on October 7, 2010
October 14, 2010
Episode 26 of Season 4 premiered on October 14, 2010
October 28, 2010
Episode 27 of Season 4 premiered on October 28, 2010
November 4, 2010
Episode 28 of Season 4 premiered on November 4, 2010
November 25, 2010
Episode 29 of Season 4 premiered on November 25, 2010
December 2, 2010
Episode 30 of Season 4 premiered on December 2, 2010
December 9, 2010
Episode 31 of Season 4 premiered on December 9, 2010