Summer heats up as hip hop makes its sizzling hot return with Season 4 of RANDY JACKSON PRESENTS AMERICA'S BEST DANCE CREW, Sunday, Aug. 9 at 9 p.m. ET on MuchMusic. The home base for dance crew fans is muchmusic.com, where, for the first time ever, Canadians can vote for their favourite crew and help decide the ultimate winner. But before the new crews unleash their fury on the floor, check out the best of past seasons on AMERICA'S BEST DANCE CREW: TOP TEN PERFORMANCES Sunday, Aug. 2 at 10 p.m. ET. Full episodes of the high-energy performances are also available on the website.

Nine brand new crews are guaranteed to dominate the dance floor and capture Much audiences with electrifying routines. Guiding viewers through another pop-locking season are returning judges J.C. Chasez, Shane Sparks, and Lil Mama, along with host Mario Lopez.

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This time the stakes grow, as all of the crews are forced to step outside their choreography comfort zones and infuse their urban sensibilities with some of the world's most popular dance styles. Each week the crews face a new challenge during their routine in order to dazzle the audience. The two weakest teams, decided by the viewers, face off in a battle for dance crew supremacy. The judges then decide who makes the cut to continue on in the competition. In the end, only one can be crowned America's Best Dance Crew and win $100,000.

The success of past winners the JabbaWockeeZ, Super Cr3w, and Quest Crew has been overwhelming. All three continue to dominate the dance scene by touring worldwide and appearing and collaborating with artists such as New Kids On The Block, Ne-Yo, and Shaquille O'Neal.

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