Mnet's 'M! Countdown' is back with another episode of great performances and musical treats. Besides the usual stages, there were comebacks for F.T. Island, Baek Ji Young, and Jang Woo Hyuk, while Jang Jae In, Boyfriend, HeOra and N-Train made their debuts. Meanwhile, 4minute had their goodbye stage. It was a battle between B2ST, 2NE1, and Baek Ji Young for the #1 spot on 'M! Countdown' today, and in the end, it was B2ST who clinched their first trophy since making their comeback only last week. Congratulations to B2ST on their win! Backstage during B2ST's comeback last week. Today's MCD Chart was hitting a hammer strength machine with a chosen prop. The participants were Yoseob, Kiseop, Jonghyun, and Jay Park. Guess who won! Other performers who stood on stage for tonight's show included Eru, Lim Jeong Hee, Heo Young Saeng, Jay Park, and Jewelry. Check out their performances below! --