The fourth season was introduced with a new title Naagin: Bhagya Ka Zehreela Khel. It aired from 14 December 2019 to 8 August 2020.It starred Nia Sharma, Vijayendra Kumeria, Jasmin Bhasin and Rashami Desai as Brinda, Dev, Nayantara and Shalakha, respectively. It ended after 37 episodes post lockdown.