Wanna One will be on 'Gag Concert'.
Three of the members will be filming the show later tonight at the KBS 2TV 'Gag Concert' shooting. They'll be on the 'Come On Up' segment with Seo Tae Hoon, Ryu Geun Ji, Kim Sung Won, and Song Young Gil.
There's no report on which 3 memebrs will be on the show, however. Make sure to watch the episode when it airs later this week.