Fi Guest cast, played by Özge Özpirinçci Episode 1x03: Fİ3 (Mar 31, 2017) Episode 1x04: Fİ4 (Apr 21, 2017) Episode 1x05: Fİ5 (Apr 21, 2017) Episode 1x06: Fİ6 (Apr 21, 2017)