Bigg Boss Tamil Season 4 aired from October 4, 2020, to January 17, 2021, on Star Vijay and Disney+ Hotstar, hosted by Kamal Haasan. The season featured 18 contestants, including television actors, social media influencers, and other celebrities. Aari Arjunan won the title with the highest voting percentage in the history of Bigg Boss Tamil, while Balaji Murugadoss was the first runner-up. The finale included performances by evicted housemates and was a grand event. This season was notable for its strong leadership qualities shown by Aari, who played the game with honesty and integrity, earning the respect of both housemates and viewers. The season included memorable moments such as traditional Pongal celebrations and high-intensity tasks over 105 days, making it one of the popular and engaging seasons of the franchise.