Iconic television show 'Kyunki Saas Bhi Kabhi Bahu Thi' finally returned with its second season. The first episode of the Ektaa Kapoor backed show starring Smriti Irani and Amar Upadhyay left netizens completely nostalgic. Check out their heartfelt reactions to 'Kyunki Saas Bhi Kabhi Bahu Thi 2' premiere!