Bigg Boss Tamil Season 3 premiered on June 11, 2017, and concluded on September 24, 2017. The show was hosted by Kamal Haasan and aired on Star Vijay. If you're looking to watch full episodes of Bigg Boss Season 3 Tamil online, here are some options:
If you're looking for a list of episodes, here's a brief overview:
I'm assuming you're looking for information on where to watch Bigg Boss Season 3 Tamil full episodes online.