January 4, 2015
Episode 1 of Season 18 premiered on January 4, 2015
January 18, 2015
Episode 2 of Season 18 premiered on January 18, 2015
January 25, 2015
Episode 3 of Season 18 premiered on January 25, 2015
February 1, 2015
Episode 4 of Season 18 premiered on February 1, 2015
February 8, 2015
Episode 5 of Season 18 premiered on February 8, 2015
February 15, 2015
Episode 6 of Season 18 premiered on February 15, 2015
February 22, 2015
Episode 7 of Season 18 premiered on February 22, 2015
March 1, 2015
Episode 8 of Season 18 premiered on March 1, 2015
March 8, 2015
Episode 9 of Season 18 premiered on March 8, 2015
March 15, 2015
Episode 10 of Season 18 premiered on March 15, 2015
March 22, 2015
Episode 11 of Season 18 premiered on March 22, 2015
March 29, 2015
Episode 12 of Season 18 premiered on March 29, 2015
April 5, 2015
Episode 13 of Season 18 premiered on April 5, 2015
April 12, 2015
Episode 14 of Season 18 premiered on April 12, 2015
April 19, 2015
Episode 15 of Season 18 premiered on April 19, 2015
April 26, 2015
Episode 16 of Season 18 premiered on April 26, 2015
May 3, 2015
Episode 17 of Season 18 premiered on May 3, 2015
May 17, 2015
Episode 18 of Season 18 premiered on May 17, 2015
June 14, 2015
Episode 19 of Season 18 premiered on June 14, 2015
June 21, 2015
Episode 20 of Season 18 premiered on June 21, 2015
June 28, 2015
Episode 21 of Season 18 premiered on June 28, 2015
September 6, 2015
Episode 22 of Season 18 premiered on September 6, 2015
September 13, 2015
Episode 23 of Season 18 premiered on September 13, 2015
September 20, 2015
Episode 24 of Season 18 premiered on September 20, 2015
September 27, 2015
Episode 25 of Season 18 premiered on September 27, 2015
October 4, 2015
Episode 26 of Season 18 premiered on October 4, 2015
October 11, 2015
Episode 27 of Season 18 premiered on October 11, 2015
October 18, 2015
Episode 28 of Season 18 premiered on October 18, 2015
October 25, 2015
Episode 29 of Season 18 premiered on October 25, 2015
November 1, 2015
Episode 30 of Season 18 premiered on November 1, 2015
November 8, 2015
Episode 31 of Season 18 premiered on November 8, 2015
November 15, 2015
Episode 32 of Season 18 premiered on November 15, 2015
November 22, 2015
Episode 33 of Season 18 premiered on November 22, 2015
November 29, 2015
Episode 34 of Season 18 premiered on November 29, 2015
December 6, 2015
Episode 35 of Season 18 premiered on December 6, 2015
December 20, 2015
Episode 36 of Season 18 premiered on December 20, 2015
December 27, 2015
Episode 37 of Season 18 premiered on December 27, 2015