When Goopy and Bagha learn about Hirak Raja's tyranny, they try to set him right with the help of Udayan, a school teacher, and their magical powers. Tapan Chatterjee, Rabi Ghosh, Soumitra Chatterjee, Utpal Dutt, Santosh Dutta, Kamu Mukherjee, Promode Ganguly Added on Amazon Prime 2021-05-16. Youtube Trailer