| Week 1 | Entrances | - On Day 0: During the grand premiere on 3 August 2025, hosted by Mohanlal, a total of 20 housemates entered the Bigg Boss house. The contestants, introduced in sequence, were: Aneesh Tharayil, Anumol R. S., Aryan Kathuria, Sariga Kalabhavan, Akbar Khan, RJ Bincy, Oneal Sabu, Dr. Binny Sebastian, Abhilash, Rena Fathima, Ranjeet Munshi, Gizele Thakral, Sarika K. B., Shanavas Shanu, Nevin Cappresious, Adhila Nasarin, Noora Fathima, Shaitya Santhosh, Renu Sudhi, and Sarath Appani.
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| Task | Captaincy Task- On Day 1: All housemates were instructed to nominate two contestants whom they believed should not be eligible for captaincy by applying shaving foam to their faces. However, it was later revealed that the housemates who received the most nominations would, in fact, become the contenders for captaincy. Aneesh Tharayil won the subsequent task and was appointed as the House Captain for Week 1.
- On Day 5: Following a house-wide vote, Abhilash, Dr. Binny Sebastian, and Shanavas Shanu were selected as the contenders for the Week 2 captaincy task.
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| Bhagyathinte Panipetti On Days 3–4: Contestants were required to collect colored coins hidden inside a box. Each coin carried a point value, with some offering advantages or disadvantages. Contestants who collected black coins received minor punishments, while those who found gold coins were initially granted powers related to nominations, although one such contestant was later deemed ineligible for the benefit. A special destiny coin awarded an undisclosed power to its holder. |
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| House Captain | Aneesh Tharayil |
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| Nominations | On Days 2: Anumol R. S., Aryan Kathuria, Gizele Thakral, Nevin Cappresious, Ranjeet Munshi, Renu Sudhi, Sarika K. B., and Shaitya Santhosh were nominated for eviction in the first week. |
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| Exits | On Day 7: Ranjeet Munshi evicted from the Bigg Boss House after facing public voting. |
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| Week 2 |
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| Task | Mid-week Eviction Task On Day 8: Six contestants, Aneesh Tharayil, Oneal Sabu, Rena Fathima, Renu Sudhi, Kalabhavan Sariga, and Sarika K. B. were nominated for a mid-week eviction. The nominated housemates participated in a series of strategic, team-based tasks, including: - Coin Vetta: Nominees selected teammates to earn points through physical and strategic challenges.
- Cold War: A task requiring housemates to stock a refrigerator with common household items; several contestants misinterpreted the rules.
- Kaliyarangu: A performance-based task where nominees acted as judges for skits performed by fellow housemates.
- Kayyookkullavan Kaaryakkaran: A buzzer-based game allowing contestants to steal points from each other; during this task, Aneesh stole 11 points from Oneal.
| Housemate | Mid-Week Eviction Points |
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| Task 1 (Day 9) | Task 2 (Day 10) | Task 3 (Day 11) | Task 4 - Round 1 (bonus points) | Task 4 - Round 2 (bonus points) | Total |
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| Aneesh | 1 | 3 | 2 | +9 | +2 | 17 | | Oneal | 3 | 6 | 4 | -9 | -2 | 2 | | Rena | 6 | 5 | 3 | 0 | 0 | 14 | | Renu | 4 | 4 | 5 | 0 | 0 | 13 | | Sariga | 5 | 2 | 6 | 0 | 0 | 13 | | Sarika K B | 2 | 1 | (Disqualified) | 0 | 0 | 3 |
On Day 11: Oneal Sabu and Sarika K. B. were temporarily suspended from the main house and moved to a secret room known as the "Dead Zone" for a period of 48 hours. |
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| Captaincy Task On Day 14: 3 selected contestants were given bicycles and required to ride continuously around a circular track. The objective was to force opponents out of the track without exiting themselves. The task was conducted in two rounds, with one contestant eliminated in each round. The last remaining contestant on the track was declared the new House Captain. |
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| House Captain | Shanavas Shanu |
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| Nominations | - On Day 8 (Part 1): Aneesh Tharayil, Oneal Sabu, Rena Fathima, Renu Sudhi, Sariga Kalabhavan, and Sarika K. B. were nominated for the mid-week eviction process.
- On Day 8 (Part 2): Adhila Nasarin, Noora Fathima, Akbar Khan, Anumol R. S., Aryan Kathuria, RJ Bincy, Dr. Binny Sebastian, Gizele Thakral, Nevin Cappresious, Sarath Appani, Shaitya Santhosh, and Shanavas Shanu were nominated for the second week's eviction process
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| Exits | On Day 13: RJ Bincy evicted from the Bigg Boss House after facing public voting. |
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| Week 3 |
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| Task | Panippura On Days 16–18: A multi-day task was conducted, in which the housemates were divided into two teams. The teams competed in a series of sub-tasks, including Yum-Yuck, Animal, and debates to gain access to the Panippura area and retrieve their personal belongings. |
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| Captaincy Task On Day 22: 3 selected contestants were each asked to stand within individual circles containing toy hens. The objective was to throw all the hens from their own circle into the circles of the other two contestants. If any toy hen landed outside the designated circles, the contestant was required to retrieve it and throw it again. At the end of the task, the contestant whose circle contained no hens or the fewest—was declared the House Captain for the week. |
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| House Captain | Aryan Kathuria |
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| Nominations | On Day 15: Akbar, Anumol, Oneal, Rena, Sarath, Sariga PG, Sarika KB, Shaitya, Shanavas were nominated for the third week's eviction process |
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| Exits | On Days 20–21: Sariga P G and Sarika K B were evicted from the Bigg Boss House after facing public voting. |
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| Week 4 |
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| Entrances | - On Day 27: During the weekend episode on 30 August 2025, hosted by Mohanlal, additional 5 housemates entered the Bigg Boss house as Wildcard entrants. The contestants were: Jishin Mohan, Mastani, Ved Lakshmi, Praveen P, Sabuman.
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| Task | Swetchathipathi On Days 22–25: The task granted complete control of the house to two selected contestants, who acted as rulers during the task period. Similar to monarchs, these contestants held the authority to make decisions and command the other housemates throughout the duration of the task. |
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| Captaincy Task On Day 27: 3 selected contestants were tied together by their legs with a rope and competed against each other. The contestant who untied the rope first was declared the House Captain. |
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| House Captain | Appani Sarath |
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| Nominations | On Day 22: Abhilash, Adhila, Aryan, Binny, Noora, Oneal, Renu were nominated for the fourth week's eviction process |
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| Exits | No eviction took place. |
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| Week 5 |
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| Task | Kireedayudham On Days 30–32: The task involved contestants being divided into teams, with the objective of protecting their own caps while attempting to snatch the caps of opposing teams. |
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| Captaincy Task On Day 36: 3 selected contestants were each given a box containing balls of four mixed colors. The task required them to quickly separate and arrange the balls by color into four distinct lines. The contestant who completed the arrangement fastest was declared the Week 6 House Captain. |
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| House Captain | Nevin Cappresious |
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| Nominations | On Day 26: Akbar, Binny, Oneal, Rena, Aryan, Renu, Shaitya, Shanavas, Adhila, Noora, Sharath, Abhilash, Anumol, Aneesh and Gizele were nominated for the fifth week's eviction process |
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| Exits | On Days 34–35: Appani Sarath and Shaitya Santhosh were evicted from the Bigg Boss House after facing public voting. |
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| Walked | On Day 34: Renu Sudhi voluntarily walked out of the Bigg Boss house after repeatedly requesting to leave the show. |
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| Week 6 |
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| Task | Noodila Shoe Factory On Days 37–39: The first task involved contestants acting as factory workers tasked with producing a specific number of chappals for the factory owner, Noora Fathima. The owner rewarded contestants with gold coins for best performance and black coins for weaker efforts. The second task was a circus-themed challenge, where contestants performed skits and were similarly awarded coins based on their performances. |
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| Captaincy Task On Day 43: Selected contestants were each given a box full of stickers and tasked with running in lines to paste the stickers onto a board placed at a distance. The contestant who pasted the most stickers on the board was declared the House Captain for the week. |
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| House Captain | Abhilash |
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| Nominations | On Day 36: Aryan, Praveen, Lakshmi, Mastani, Sabuman, Akbar, Nevin, Aneesh, Abhilash, Anumol, Rena, Binny, Adhila were nominated for the sixth week's eviction process |
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| Exits | On Day 42: Praveen and Masthani were evicted from the Bigg Boss House after facing public voting. |
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| Week 7 |
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| Task | BB Hotel On Days 44–46: The Bigg Boss house was transformed into a hotel for the task titled BB Hotel. Housemates were assigned various staff roles, including Manager, Chief Chef, Assistant Chef, Security Guard, Housekeeping, Waiters, Janitor, Assistant Janitor, and Entertainment Performers. Additionally, a guest portrayed a bankrupted visitor who was required to follow instructions from the Manager and Chief Chef. Throughout the task, surprise guests from outside visited the hotel and provided tips to the housemates based on their performance. |
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| Captaincy Task On Day 47: 3 selected contestants were each given a podium with sheets of paper and tasked with making paper airplanes. The playing area was divided into three airport zones: Trivandrum, Kochi, and Kannur, each awarding different points based on distance. Contestants earned points by landing their airplanes in these zones, and the participant with the highest total score was declared the House Captain for the following week. |
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| House Captain | Jishin Mohan |
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| Nominations | On Day 36: Adhila, Aryan, Binny, Lakshmi, Nevin, Noora, Rena, Sabuman, Shanavas were nominated for the seventh week's eviction process |
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| Exits | On Day 49: Rena Fathima was evicted from the Bigg Boss House after facing public voting. |
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| Week 8 |
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| Task | Bottle Factory On Days 51–53: The housemates took on roles as juice-factory owners, bottle agents, and quality inspectors. The task involved cleaning empty bottles, filling them with juice, and getting them approved by quality inspectors to earn points. Multiple factories, Orange, Lemon, and later Mango, competed, and housemates had to manage production, ensure quality, and complete the process within the time limit. |
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| Captaincy Task On Day 57, selected contestants were given three boards with the word CAPTAIN on each board. A common box containing shuffled letters was placed for all contestants, while the letter N was placed separately on a podium. Contestants had to quickly run and fill in the letters, and the one who completed the word CAPTAI first could take the letter N from the podium and place it on the board to become the captain for the next week. |
| House Captain | Oneal Sabu |
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| Nominations | On Day 50: Abhilash, Adhila, Akbar, Aneesh, Aryan, Binny, Gizele, Jishin, Lakshmi, Sabuman and Shanavas were nominated for the eighth week's eviction process |
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| Exits | On Day 56: Abhilash and Jishin Mohan were evicted from the Bigg Boss House after facing public voting. |
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| Week 9 |
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| Task | Family Week Task During Days 57 to 60, the family members of the contestants visited the Bigg Boss house on separate days. In order to earn the opportunity to meet their loved ones, contestants were required to complete specific tasks. Each contestant first undertook a common task: solving a puzzle board by correctly assembling pieces to reveal either a family photo or a Bigg Boss poster. Following this, each contestant was assigned a unique individual task. - Day 57:
- Shanavas & Aneesh: Held a scale in their mouth, balanced dice on it, and dropped them into a bowl.
- Day 58:
- Akbar: Arranged plates and glasses alternately (plate–glass–plate–glass) in a tub of water.
- Adhila & Noora: Flipped matchboxes into bowls, ensuring one landed in each.
- Sabuman: Threw balls into glasses.
- Day 59:
- Gizele: Built a pyramid using soft drink cans with the help of a stick.
- Aryan: Moved biscuits from forehead to mouth without using hands.
- Anumol: Arranged bricks in a line and toppled them to roll a ball into a box.
- Day 60:
- Lakshmi: Blew ping pong balls across ten water-filled glasses, placing one ball in each glass.
- Oneal: Slid balls along a rope into three pots, one per pot.
- Nevin: Shook his head to swing teabags, attached to three hats, in a crisscross motion.
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| Captaincy Task Each selected contestant is tied with a long ribbon. They must move around to free themselves. The one who unties the ribbon first and plants the flag labeled "CAPTAIN" in the given mud bowl will become the captain for the next week. |
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| House Captain | Dr. Binny Sebastian |
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| Nominations | On Day 57: Adhila, Anumol, Noora, Nevin, Sabuman, Lakshmi, Gizele and Oneal were nominated for the ninth week's eviction process |
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| Exits | On Days 62-63: Oneal Sabu and Gizele Thakral were evicted from the Bigg Boss House after facing public voting. |
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| Week 10 |
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| Task | BB Dance Marathon On Days 64–67: The contestants were given roles and costumes of versatile Malayalam film characters and they have to behave resembling that characters and dance competition forming groups will be held. Those who gain maximum gold coins through the performance will be given immunity powers. |
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| Secret Task On Day 66: A selected contestant should secretly eat food from the activity area. Gradually, the task expands to five contestants, each completing the food step by step. In the final stage, along with finishing food they have to bring a stranger from the activity area into the house and hide him, all while keeping the task completely secret from other housemates. |
| Captaincy Task The three chosen contestants are given one rope, and each must hold a specific point — the beginning, middle, or end. Whoever maintains their hold the longest without any movement will be selected as the captain for the upcoming week. |
| House Captain | Adhila Nasarin |
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| Nominations | On Day 64: Anumol, Akbar, Aneesh, Binny, Lakshmi, Nevin, Sabuman and Shanavas were nominated for the tenth week's eviction process |
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| Exits | On Day 70: Dr. Binny Sebastian was evicted from the Bigg Boss House after facing public voting. |
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| Week 11 |
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| Task | Weekly Task On Days 72-74: The contestants have to complete 3 tasks on 3 different days so as to secure points and those who score maximum points will have some special advantages for Ticket to Finale Task. Day 72: Parakkum Thalika, Red and yellow balls will randomly fall from the sky whenever a siren sounds and contestants need to collect it. Each red ball is worth 3 points and each yellow ball is worth 1 point. Day 73: Paavashasthram, Parts of toys will be released from a machine, and contestants must assemble them to create complete toys. They must also guard their toys from being stolen by others. After three rounds, the total number of completed toys will be counted and each toy is worth 5 points. Day 74: Scratch & Win, Several scratch cards are hidden throughout the house. In this buzzer-to-buzzer round, contestants must search for and scratch the cards they find. Some cards award 1 or 2 points, while others contain traps. Weekly Task Points| Rank | Contestant | Task 1 | Task 2 | Task 3 | Total Points |
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| 1 | Aryan | 65 | 145 | 51 | 261 | | 2 | Aneesh | 60 | 120 | 18 | 198 | | 3 | Anumol | 27 | 120 | 41 | 188 | | 4 | Nevin | 24 | 95 | 30 | 149 | | 5 | Adhila | 27 | 90 | 16 | 133 | | 6 | Lakshmi | 33 | 60 | 22 | 115 | | 7 | Shanavas | 48 | 0 | 59 | 107 | | 8 | Noora | 29 | 20 | 46 | 95 | | 9 | Akbar | 59 | 0 | 31 | 90 | | 10 | Sabuman | 40 | 0 | 29 | 69 | |
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| Seceret Task On Day 75: A selected contestant must secretly convince five other contestants to vote for the person they want to nominate for a prank eviction, without revealing it to the target or three other contestants. |
| Captaincy Task 3 chosen contestants were directly appointed as Captains of next week without any immunities like saving from eviction. |
| House Captain | Sabuman |
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| Nominations | On Day 71: Akbar, Aryan, Lakshmi, Nevin, Noora and Shanavas were nominated for the eleventh week's eviction process |
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| Exits | On Day 77: Ved Lakshmi was evicted from the Bigg Boss House after facing public voting. |
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| Week 12 |
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| Task | |
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| Captaincy Task |
| House Captains | Aryan Kathuria, Akbar Khan and Nevin Cappresious |
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| Nominations | On Day 78: Aneesh, Akbar, Aryan, Anumol, Nevin, Noora and Sabuman were nominated for the twelfth week's eviction process |
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| Week 13 |
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| Task | |
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| Captaincy Task |
| House Captain | |
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| Nominations | |
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| Exits | |
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