April 17, 2012 • 50m
Episode 1 of Season 4 premiered on April 17, 2012
April 24, 2012 • 50m
Episode 2 of Season 4 premiered on April 24, 2012
May 8, 2012 • 50m
Episode 3 of Season 4 premiered on May 8, 2012
May 29, 2012 • 50m
Episode 4 of Season 4 premiered on May 29, 2012
June 5, 2012 • 50m
Episode 5 of Season 4 premiered on June 5, 2012
June 26, 2012 • 50m
Episode 6 of Season 4 premiered on June 26, 2012
July 3, 2012 • 50m
Episode 7 of Season 4 premiered on July 3, 2012
July 10, 2012 • 50m
Episode 8 of Season 4 premiered on July 10, 2012
July 17, 2012 • 50m
Episode 9 of Season 4 premiered on July 17, 2012
July 24, 2012 • 50m
Episode 10 of Season 4 premiered on July 24, 2012
August 1, 2012 • 50m
Episode 11 of Season 4 premiered on August 1, 2012
August 14, 2012 • 50m
Episode 12 of Season 4 premiered on August 14, 2012
August 21, 2012 • 50m
Episode 13 of Season 4 premiered on August 21, 2012