19. јануар 2015.
04. март 2022.
19. новембар 2015.
06. јун 2017.
27. јун 2016.
06. август 2018.
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).