The last week of BTOB's "Movie" promotions featured the members in special outfits with themes like Charlie Chaplin, cosplay, and their MV, and this new video takes fans through the boys' preparations. In the middle, Sungjae�and Changsub�have a little belly-off, and GOT7's Jackson�sings praises for same-age friend Ilhoon�(and also wants to know why they're all dressed up).

SEE ALSO: [PHOTOS] BTOB express enthusiasm about finally meeting fans through 'Our Dream' fan concert tour

Check out the video above.