
The episodes may also feature either of the following segments, usually within, in between, or following the above permanent segments: In another format, for idol groups with more than 5 members on their first visit, they will have their names covered, and as Heechul reveals a fact about the member, the group members would try to confuse the cast members.

Some of the questions are vague or extremely private in which the guests had never revealed to the public. Guess About Me – a segment where the guests had prepared several questions related to themselves.At times, the guests can show their strengths and/or weaknesses that could be shown through this segment. A highlight of this segment is the guests' preferences for which cast members they would like or would not like to sit next to them. Entrance Application – a segment where the guests filled an application form beforehand in which one of the cast members would read and the others would comment on them.There are at least two permanent segments, which have defined the Brother School format: This format has received praise from the viewers which led to a significant increase in ratings and popularity of the program after several episodes. Subsequently, the program would sometimes diversify at the end with a segment outside of the school concept.

Most of the segments for this format portray activities that every student would do with their classmates.

The current format (from episode 17) explores the high school concept where the cast members act like students in a classroom while the guests would come as newly transferred students.
