JBJ, MXM, and Jung Se Woon�were recently�spotted by fans on their way back from 'Weekly Idol' filming, and it's now been revealed that Samuel Kim�was also present. All 10 idols are trainees from 'Produce 101' season 2, all ranking within #12-#29.�

SEE ALSO: Samuel Kim finds himself in 'NOW' teaser video

The episode will air in November, so keep your eyes out for it!