On the other hand, Özge Egeli, an ambitious young journalist, is determined to reveal the dirty past of Can Manay.
[21][22][23] Episodes of the series were published on Puhu TV's platform in 4K resolution Ultra HD and free of charge.
[27] Writing for the media site MedyaBey, Şadan Kaba described Fi as a story centered around "Can Manay and other characters" and believed that producing the series in the format of 60-minute episodes would be an advantage as it would eliminate the risk of running out of time and material.
[38] On 25 March 2017, it was reported that telecommunication company Vodafone would sponsor the series, and it announced to its customers that they could watch Fi for 6 months without paying any internet fees.
[39][40] In December 2017, author Azra Kohen appeared on Radyo Trafik Marmara's radio program Yazarın Dilinden and announced that the TV series would finish with two seasons in total.
Ozan Güven stated that he had accepted the role "due to its different nature compared to the repeating monopoly of Turkish TV series".
[46] Serenay Sarıkaya and Berrak Tüzünataç were on a vacation in Mykonos when they received the offer to portray two of the main characters in the series.
[49] In their interview, Berrak Tüzünataç stated that she had convinced Mehmet Günsür to accept the offer to portray the character Deniz.
[46] Mehmet Günsür said that "In order to get into the mindset of Deniz, there's a need to understand his ideas first"[50] and let his hair grow longer to make his appearance similar to that of the character.
[57] In the tenth episode of the first season, two more actors joined the cast; Özge's friend, Işıl, was portrayed by Sezin Akbaşoğulları[16] and the role of Sadık's wife, Yıldız, was given to Songül Öden.
[61][62] The dance scene in the first episode, "Av ve Avcı", which features the character Duru (Sereneay Sarıkaya) as the main dancer, was choreographed by Zeynep Tanbay and its music was composed by Cem Öğet.
[35] The responsibility for styling was undertaken by Başak Dizer Tatlıtuğ and Deniz Marşan, but the name of the pair was not included in the main title for the first three episodes.
[69][70] In the second episode, Deniz (Mehmet Günsür) takes Duru (Serenay Sarıkaya) to a garden and presents her with a lemon tree as a gift.
[71] Depending on the main subject of each episode, students studying at the Faculty of Fine Arts made and performed different types of music and sounds.
[76] On 31 March 2017, the series' premiere was held at Volkswagen Arena in Istanbul and after showing an 18-minute special preview, the first three episodes of Fi were released on Puhu TV.
[88] Habertürk author Mustafa Doğan wrote in an article that the series' storyline was under the influence of that of Fifty Shades of Grey.
[89] Milliyet's Özay Şendir believed that there were only two veteran actors in the series and criticized the existence of too many sexual scenes.
[90] Sabah's writer Ayşe Özyılmazel praised the series by saying: "Musics, filming, acting, tempo, excitement, all are 10/10".
[93][94] Writing for Vatan, Cem Ceminay believed that the focus on criticism should not have been on Duru's appearance while coming out of the shower, but instead it had to be aimed towards the response that she had made to her boyfriend's question over the phone.
[99] The scene showing character Can Manay drinking water in the first episode became subject of discussion in the media and the likes of Eliz Sakuçoğlu made comments about it.
[100] The appearance of Duru with a red feather in her head in preparation for her show was also much liked and discussed in the social media.