Mnet's M! Countdown is back again on October 28th with another weekly fun-filled music show, and this episode is packed with awesome performances plus it also signaled the beginning of pre-promotions for Mnet's upcoming awards show, 2010 Mnet Asian Music Awards. There were a couple of comeback stages today for 2AM and Psy, while nominees and snippets from the past Mnet Asian Music Award shows were also revealed during the show. T-ara's Jiyeon hosted the show with support from Hyoyoung and Chanmi from Co-Ed. It was a close one between 2PM and SG Wannabe for the #1 spot on M! Countdown today, but in the end, it was 2PM who came out on top and earned the trophy for this week, completing the sweep of all music show trophies. Congratulations to 2PM! Not to be missed is the One Day encore stage. Other performers for today included SG Wannabe, 2PM, B2ST, miss A, Supreme Team, Outsider, Rainbow, Co-Ed, Eru and Suk Hee. It was a special 2 hour MAMA countdown show, so most if not all performed 2 songs. Second live performance on M! Countdown. miss A special report on their recent Thailand trip. Behind the scenes of Kang Seung Yoon and Jang Jae In's special stage last week.