B1A4 will be filming 'Knowing Brothers'.
It's been a while since the boys have been active as a full group. Baro and Jinyoung have been busy with dramas, CNU has been in a musical, Gongchan has been in variety shows, and Sandeul has had OSTs. They'll all be coming together on the 31st to film the JTBCvariety show.
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Make sure to catch the episode in September.
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