Male celebs play make-believe as high schoolers, welcoming star transfer students every week and engaging in battles of witty humor and slapstick.
| Alternative Titles | 认识的哥哥, 아는형님, Спроси нас, Всезнающие братья, Ask Us Anything, Knowing Bros |
| First Air Date: | 2015-12-05 |
| Last Air Date: | 2025-10-04 |
| Number of Episodes: | 504 |
| Number of Seasons: | 1 |
| Genres: | Reality, Comedy |
| Status: | Returning Series |
| Networks: | $JTBC |
| Casts: | Kim Young-cheol, Min Kyung-hoon, Kang Ho-dong, Lee Su-geun, Kim Hee-chul, Seo Jang-hoon, Lee Sang-min |
