Clip Special --" ABDC Top 10 Performances of all Time" to air August 2 on MTV

MTV has just announced that "to kick off another season and tide fans over until they can get more of the electrifying routines they love, Randy Jackson will count down the best crew performances from seasons past in a 60-minute MTV clip special called 'Randy Jackson Presents America's Best Dane Crew Top Ten Performances of all Time.' " It will air on August 2 at 9pm ET/PT.

The release also announces that there will be nine crews competing at the beginning of Season 4 and that the season opener on August 9 will run for 90 minutes, starting at 9pm ET/PT. There will be 8 episodes in the new season.