Four teams of HGTV all-stars design breathtaking kitchens as the ultimate renovation competition begins. After a hot-air balloon ride over the mountains offers inspiration, Fixer to Fabulous' Dave and Jenny Marrs judge the jaw-dropping finished spaces.

In week two, the teams create stunning Living Rooms and Entryways for their homes. Fireplaces and Rocky Mountain views seem like a sure thing until Rock the Block alum Mina Starsiak-Hawk and HGTV's Jenn Todryk tour everyone's work and pick a winner.

It's week three and the competition turns up as the teams renovate their main suite. Elevated designs rule the day as Unsellable Houses stars Lyndsay Lamb and Leslie Davis come to blind judge and determine if any team left things too basic.

With the first floor complete, the teams head downstairs to tackle the biggest space ever seen on Rock the Block: the Lower Level, 1500 square feet of blank canvas to create some of the most outrageous spaces ever seen. HGTV's Alison Victoria and Veronica Valencia wade through the luxurious fun to choose a winner.

Time to head outside as teams design their exterior spaces during a snowy week on the block. Ty encourages everyone to get sporty thanks to his last Design Surprise and Rock the Block Season 2 winners Brian and Mika Kleinschmidt arrive to judge.

With budgets dwindling and pressure mounting, everyone races to the finish line. Teams finally get to see each other's homes as previous Rock the Block champions Jasmine Roth, Egypt Sherrod, and Mike Jackson judge their work and announce the winning team.

Ty Pennington and the teams look back at a block-rocking season in Florida.

Two teams of design veterans and two teams of rookies create new kitchens and living rooms as the renovation competition kicks off, but as surprising delivery gets dropped off and Bobby Berk joins as a judge.

In Week Two, the teams bring their A-games as they race to finish the rest of their first-floor spaces. HGTV stars Jasmine Roth and Mina Starsiak-Hawk come to judge and determine whose work wins the week.

It's Week Three and the teams tackle their main suites and make massive moves as some desperately seek their first win. "Divided by Design" stars Eilyn and Ray Jimenez judge the stunning spaces.

The teams race to finish their houses before their money runs out and judgement day arrives. Drew Scott and previous Rock the Block winners Brian and Mika Kleinschmidt judge the entire homes while each team finally gets to see their competitions' spaces.

Everyone heads down to the basements to design 1400 square feet of unfinished space, and tired of losing, two teams make big, expensive moves to grab the win. Then, a heavy metal band stops by for a Design Challenge, and Tamara Day comes to judge.

The teams head outside because it's all about exteriors and landscaping on the block this week. Each designer knows the importance of curb appeal, and this challenge could be the difference between winning and losing the whole competition. Interior designer Carmine Sabatella and landscape designer Mike Pyle, stars of the upcoming HGTV series Inside Out, will evaluate the outdoor spaces. 

The teams get down and dirty when they head upstairs to renovate the main bedroom and bath. It's high stakes as Egypt Sherrod and Mike Jackson come to blind judge, and the competitors know winning these important spaces could make any team a frontrunner.

The road to redemption isn't easy as Ty surprises the teams with their toughest challenge: completing a bedroom flex space in 48 hours. MLB great Jimmy Rollins teaches the teams to get an advantage, and in a Rock the Block first, teams judge THEMSELVES.

The competition continues in week two as the teams tackle the first floor living spaces. From fancy doors to marble floors, each duo's unique strategy and design style flourishes, giving guest judge Page Turner a difficult task when choosing a winner.

After six weeks, a winner gets crowned, a street sign gets named and bragging rights get claimed on the finale of Rock the Block! Experts appraise the houses and the teams finally tour each other's beautiful work. Four teams competed, but only one wins. Ken and Anita Corsini will join incumbent Rock the Block champion, Jasmine Roth, for a final home walk-through before announcing the winning team.

The teams sprint to add the most value in their final spaces before a winner is named and redemption earned. Teams also tour each other's houses for the first time while Property Brother, Jonathan Scott judges their work.

The Rock the Block renovation competition begins with the heart of the home -- the kitchen -- as each team tries to add the most value. Chopped's Ted Allen tests their mettle with a Design Twist, while HGTV's Tarek El Moussa and Heather Rae Young judge.

Leanne, Alison, Mina, and Jasmine reach the final week and finish the remaining rooms and exteriors. Drew and the appraisers inspect each house, and the designer with the biggest increased value earns bragging rights and a street named in her honor.

Teams stay outside in week five as they design their docks, balconies and front exteriors. Ty asks everyone to get artsy in his latest Design Surprise before Rock the Block winner Michel Smith Boyd and HGTV star Veronica Valencia judge the luxe spaces.

With budgets dwindling and pressure rising, the teams head outside to design their outdoor spaces. It's all about curb appeal and backyard amenities until Ty disrupts their plans just before Mina Starsiak-Hawk and Karen E Laine begin their judging.

The competition continues as Alison, Jasmine, Leanne and Mina add their signature styles to the "moneymaker" of the home: the kitchen. Drew throws a wrench in their plans with a surprise delivery, and Mike Holmes picks his favorite as the weekly winner.

The teams finish their first floor renovation as they tackle the main bedroom suites. It's the ultimate test of luxury versus functionality as Rock the Block veteran Alison Victoria and HGTV star Page Turner judge these jaw-dropping spaces.

The designers tackle their great rooms and outdoor living spaces by tearing down walls and adding fireplaces and pergolas to increase the homes' value. Tiffany Brooks meets them at the Rose Bowl Flea Market to find materials with limited time and funds.