Mnet's 'Road to Kingdom: ACE OF ACE' teased the boy groups' performances in a new preview.

The teaser reveals the first episode's competition will feature a two-track challenge with one track ranking the teams as groups and another ranking them individually as the "Ace" of the team. Viewers get a preview of the contestants' dancing, singing, and rapping for the intense competition. Host SHINee's Taemin also makes an announcement that shocks the participants.

'Road to Kingdom: ACE OF ACE' is a stand-alone spin-off of idol competition show 'Road to Kingdom', and the 7 groups competing are ONEUS, CRAVITY, TEMPEST, YOUNITE, THE NEW SIX, 8TURN, and TheCrewOne (ATBO and JustB). It's set to premiere on September 19 at 9:30PM KST.

Check out the preview above, and let us know what you think in the comments below.  
 

SEE ALSO: Actress Oh Ha Nee addresses the bold nudity and same-sex love scene in the drama 'Queen Woo'