Blue Whale (Persian: نهنگ آبی, romanized: Nahange Abi) is a 2019 drama mystery series directed by Fereydoun Jeyrani, written by Bahram Tavakoli and produced by Saeid Malekan. This series is in an adventurous atmosphere in Persian and a product of Iran. In addition to Saeid Malekan, and companies are also investors in the series. The series named after the Blue Whale Challenge.