Navratri On Day 22, the housemates in the Bigg Boss House celebrated the festival
Navratri (Vijayadasami), in which the contestants cooked a feast, played village games, danced to songs, and decorated the Bigg Boss House. The episode was also extended to four hours, from the usual one hour. Starting at 6:30 pm rather than the usual 9:30 pm. The events are presented by Anitha. Each housemate is given a plain golu doll to be painted and used for
Navratri celebrations. At afternoon, the housemates are divided into two teams one is City team and the other is Village team and are given ingredients for the cooking competition. So as each team cooks a dish for the celebration. The cooking competition was judged by Anitha. The cooking competition was won by City team. Then there were frames placed in the living room and garden area each one for City team and village team respectively, so that each person can stand back of the frame and express their wishes to their family members. It was continued by seven stones with the same team. The winner of seven stones is again City team. Then the male contestants are asked to praise the women contestants of the house. It is followed by the pooja of Navaratri. Then the contestants were asked express their talents on the stage placed in the garden area. At midnight, everyone sits around the
Bonfire and plays
Dumb Charades. In this game a player in a team is given a chit with a song name and are asked to act related to the terms in the chit so that their teammates find the song in the chit. The Village team won the Dumb Charades.
Kamal Haasan birthday On Day 34,
Kamal Haasan celebrated his birthday with housemates. On this day Bigg Boss Tamil and
Bigg Boss Telugu had a virtual crossover where the Telugu and Tamil housemates and the hosts
Kamal Haasan and
Nagarjuna meet each other.
Diwali The housemates in Bigg Boss Tamil had a pre–
Diwali Celebration, in which all the housemates participated in activities and games. • Events on Day 36 • The nomination process was cancelled due to the celebration of
Diwali throughout Week 6 in the Bigg Boss House. On Day 36, the housemates were split into two groups,
Kambi Mathappu and
Busvaanam, and played a game called
Ippove Kanna Kattudhe, in which the housemates had to put their forehead on a metal pole and go around the pole for ten rounds, after which they have to run and touch the wall, before arriving at the starting place. The
Busvaanam team won the round. The housemates were then told to write a letter about someone they loved, and had to share the letter with the other housemates on a platform located in the Garden Area. • Events on Day 38 • All the housemates need to get in a pair, one of the housemates in the pair has to stand on a rock while the other housemate drags them across to the finish line as soon as possible where their time will be recorded. The pair with the fastest time will win the task. Balaji and Shivani were selected as the winners of the task • Events on Day 39 • The housemates gathered in the activity room, where the former
Bigg Boss 2 and
Bigg Boss 3 housemates had a virtual meet with the current Bigg Boss housemates. The former housemates conducted activities in which the current housemates participated. After the participation of all the housemates, Samyuktha, Balaji, Ramya, Archana, Aari, Anitha, and Aajeedh were selected as the winners of the task and received prizes. • Events on Day 40 • The housemates were given a day off from their respective house duties due to
Diwali. The housemates were involved in many activities, including a dinner feast, a dance celebration, prize giveaways, amongst other tasks.
Christmas The housemates in Bigg Boss Tamil had a
Christmas Celebration, in which all the housemates participated in activities and games. • Events on Day 81 • A Christmas choir group came to perform Christmas songs to the housemates on
Christmas Eve. • Events on Day 82 • A new bunch of Christmas choir group came to perform. All the housemates receive presents on
Christmas day.
Freeze task On Week 13, family members of the housemates entered the BB house as part of luxury budget task (Freeze Task). • Day 86 • Shivani's mother Akila Narayanan entered the BB house as part of Freeze Task. • Balaji's brother Ramesh entered the BB house as part of Freeze Task • Day 87 • Ramya's mother, Shanthi Duraipandian, and her brother, Parasu Pandian, entered the BB house as part of Freeze task. • Rio's wife Shruthi Rio entered the BB house as part of Freeze task. Rio's mother, mother-in-law and other family members along with friends were shown in the video clip. • Somshekar's brother Lathesh entered the BB house as part of Freeze Task. Som's mother and family members were shown in video clip along with his pet dog. • Day 88 • Gabriella's mother Sunitha entered the BB house as part of Freeze Task. • Aajeedh's mother Shabana Begum and his sister Shama entered the BB house as part of Freeze Task. • Aari's wife Nadhiya and his daughter Riya entered the BB house as part of Freeze Task.
Pongal On Day 102 the housemates in Bigg Boss Tamil had a
Pongal Celebration, in which all the housemates participated in activities and games. • Events on Day 102 • The housemates will be divided into two teams to play the special games. There were games like Uriyadi and Slow Cycle Race which all the housemates participated in...oops.
Bigg Boss finale On Day 105, all the 13 evicted and walked housemates (Rekha, Velmurugan, Suresh, Suchitra, Samyuktha, Sanam, Ramesh, Nisha, Archana, Anitha, Aajeedh, Shivani, and Gabriella) were invited to the Bigg Boss Finale. Some of the housemates performed dance and singing performances on the show. At the end of the show, Aari Arjunan was then declared the Winner of Bigg Boss 4, followed by Balaji Murugadoss, Rio Raj, Ramya Pandian, and Somshekar. ==Weekly summary==