The fourth season of The Block premiered on Monday, 20 June 2011 at 7:00 pm on the Nine Network. Host Scott Cam returned from the previous season, with Shelley Craft joining the series as "Challenge Master".
Unlike previous series, the fourth season was filmed in Melbourne rather than Sydney, with the four houses to be renovated located in the inner-city suburb of Richmond.
The season was ultimately won by Polly Porter and Warwick "Waz" Jones, who were the only couple to sell their property at auction.
The fifth season of The Block premiered on Monday, 16 April 2012 at 7:00 pm on the Nine Network. Both host Scott Cam and "Challenge Master" Shelley Craft returned from the previous season.
Like the previous season, this season was filmed in Melbourne, with the four houses to be renovated located in the inner-city suburb of South Melbourne.
At first, this season wasn't to air in New Zealand, but has now been picked up by TV3. All four previous seasons have aired on Prime.
The Block All Stars premiered on Monday, 4 February 2013 at 7:00 pm on the Nine Network. Both host Scott Cam and "Challenge Master" Shelley Craft returned from the previous season.
Production for the series relocated from Melbourne—which had hosted the prior two seasons—to its original location of Bondi in Sydney to celebrate the tenth anniversary of the show's first season.