October 1, 2011 • 50m
Episode 1 of Season 4 premiered on October 1, 2011
October 8, 2011 • 50m
Episode 2 of Season 4 premiered on October 8, 2011
October 15, 2011 • 50m
Episode 3 of Season 4 premiered on October 15, 2011
October 22, 2011 • 50m
Episode 4 of Season 4 premiered on October 22, 2011
October 29, 2011 • 50m
Episode 5 of Season 4 premiered on October 29, 2011
November 24, 2012
Episode 6 of Season 4 premiered on November 24, 2012