March 4, 2022
January 19, 2015
June 6, 2017
June 27, 2016
August 6, 2018
November 19, 2015
Charkh (Persian: چرخ lit. "wheel") is an Iranian television talk show that has aired on IRIB TV4 since 2015.[1] Each episode focuses on scientific topics and is approximately 75 minutes in length. The series airs every working day-night (six days a week).