Knowing Brother is a Korean Variety Show starring Kang Ho-dong, Lee Soo-geun, Seo Jang-hoon, Kim Young-chul, Kim Hee-chul, Hwang Chi-yeul.
Air time: Saturday
Male celebs play make-believe as high schoolers, welcoming star transfer students every week and engaging in battles of witty humor and slapstick.
Original title 아는 형님
First air date Dec. 05, 2015
Last air date May. 19, 2018