In the season that launched one of Australia's most beloved shows, four couples renovate four floors of an apartment block in Bondi.

Four couples renovate properties in Sydney's idyllic, world-famous suburb of Manly, to see who can take home the biggest profit come auction.

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.

The Block takes determined couples, rundown apartments, and gives them equal-sized budgets and just weeks to out-renovate each other to see who becomes the ultimate winner.

The Block takes determined couples, rundown apartments, and gives them equal-sized budgets and just weeks to out-renovate each other to see who becomes the ultimate winner.

The Block takes determined couples, rundown apartments, and gives them equal-sized budgets and just weeks to out-renovate each other to see who becomes the ultimate winner.

The Block takes determined couples, rundown apartments, and gives them equal-sized budgets and just weeks to out-renovate each other to see who becomes the ultimate winner.

Five couples are tasked with renovating the notorious Gatwick Hotel into luxury apartments to be sold at public auction for profit and a life changing $100,000 prize.

Five ambitious couples transform the neglected Oslo Hotel in St Kilda into five top-end, three-storey homes. A renovation that's bigger, tougher and longer than ever.

Five period homes from the 1910s, 20s, 30s, 40s and 50s will be brought back to life by five eager new couples on a block of land in the heart of sunny and affluent Melbourne.

Australia's favourite reno show is back and this year, young blood takes on Block legends in The Block Fans v Faves You won't believe the twists, turns and surprises that are about to go down in this Melbourne cul-de-sac. For starters, we've thrown out the plans and our BLOCKheads must design the entire layout from scratch! It's Fans versus Faves.

Saddle up it's going to be a bumpy ride as five 'city-slicker' teams are dropped in country Victoria to renovate 500 square-metre houses on 10 acre pieces of land.

Located on Charming Street, the houses on The Block Season 19 were made in the 50s and are overdue for an update. Will our fresh-faced Blockheads be up to the challenge?

Get ready to celebrate two decades of design, drama, and dazzling renovations when The Block returns for an incredible 20th season.