Imitating what it looks like when Eunkwang laughs. Sungjae starts off, and then Eunkwang imitates that, and then Changsub joins in, but then Sungjae tells him to stop.

BTOB discusses what to do about the serious problem of Changsub not being funny enough. Apparently he shouldn't try too hard. Sungjae is particularly hard on him.

Changsub and Sungjae battle it out with songs. (Ft. Eunkwang looking at his eyes)

Sungjae sings a bunch of Buzz songs. Changsub scolds him, asking him why he can't be quiet for a second. But ultimately Sungjae doesn't listen and Changsub gives up.

While waiting, they start flipping water bottles to try to get them to stand up. Changsub succeeds in one go. First he acts all cool about it but then his face shows just how surprised he was, too, that he succeeded so quickly.

While warming up, Sungjae sings Walking With. Changsub sees him and says he's being noisy.

They stage a sketch where Changsub acts really mean to Sungjae, but no one cares.

Sungjae and Changsub showcase their abs in a very unique way.

Sungjae and Changsub practice rapping Outsider's Loner (famous for being very fast.)

Kind Changsub and Sungjae go to spin CDs for other singers (including BAP). (Pun in Korean, can sound like they came to give them CDs instead of just spinning them around.)

The Choding line fights as usual over all kinds of small stuff. Changsub asks why Sungjae is so lively; Sungjae replies it's because Changsub was his first love.

Sungjae hopes that Changsub's musical goes well, and that he doesn't do musicals ever again.