Bigg Boss 5 is the fifth season of the Tamil version of the reality television show Bigg Boss broadcast in India. The show was premiered on 3 October 2021 on Star Vijay and Disney+ Hotstar with Kamal Haasan as the host for the fifth time. The show is telecasted at 9:30 p.m for 90 minutes on weekends and at 10:00 p.m for 60 minutes on weekdays. On Week 8, Ramya Krishnan hosted the show instead of Kamal Haasan as he tested positive for COVID-19. On Week 9, Kamal Haasan returned to host the weekend episodes after recovering.