Imam vs Aashka Goradia: A casting director by profession, Imam had a huge tiff with Aashka Goradia. Imam taunted and imitated her, and called her a cry baby. Aashka also got upset and started imitating his mannerism. However, none of the housemates could imagine that Imam will lose control and lock them inside the room. A lot more happened, which forced Bigg Boss to throw him out of the show.

Dolly Bindra vs Shweta Tiwari: Just a day after Dolly Bindra entered the Bigg Boss house in Season 4, she got into a mighty argument with Shweta Tiwari. Shweta was in charge of cooking at the time of Dolly's entry, but the latter was equally keen to take over the task. What was supposed to be a simple discussion over who would be the kitchen captain turned extremely personal as Dolly and Shweta started accusing each other.

Sara Khan-Ali Merchant's 'Bigg' wedding: Sara Khan and Ali Merchant had been dating for three years when they, extraordinarily, decided to get married on the reality show in Season 4. There were plenty of twists and turns, with the bride's parents revealing that Sara and Ali had married in 2008. Sara's family termed the wedding against Islam.

Rahul Mahajan's daring breakthrough: Rahul Mahajan was evicted from Bigg Boss 2 under highly tense conditions. Violating the rules, he broke out of the house along with Raja Chaudhary, Zulfi Sayed and Ashutosh Kaushik. Mahajan refused to apologise for the same and was ordered to leave the house immediately.

Raja-Sambhavna: Of abuses and kisses: Raja Chaudhary and Sambhavna Seth hurled abuses at each other left right and centre during season 2. However, these very two names got cosy and even shared a kiss on the show, which became quite infamous. In an interview post the show though, Chaudhary equated kissing Sambhavna to kissing an ashtray.

Clash of item girls: Season one was all about the catfight between Rakhi Sawant and Kashmera Shah. Kashmera told everyone in the house of the comments Rakhi had made about them. This led to the housemates confronting and alienating Rakhi. The bad blood between the item girls continued to exist outside of the show as well.

Kushal Tandon's exit and re-entry: The 28-year-old telly actor Kushal Tandon was ousted mid-week from the Bigg Boss house in the seventh season due to his aggressive nature and misconduct towards co-contestant VJ Andy. However, he re-entered the show November 21. Apparently, he got furious over Andy when he made personal comments about his ladylove Gauahar Khan. Standing up for her friend, Gauahar too decided to pack her bags and leave the house even with all the other contestants trying their best to convince her to stay.

Ajaz Khan eliminated for hitting Ali Quli Mirza: Ali Quli Mirza and Ajaz Khan's banter turned ugly when Ajaz took the jokes personally. Ajaz lost his cool and charged at Ali and tried to choke him. Gautam Gulati and Pritam intervened and pulled away Ajaz. Ali felt out of breath and Bigg Boss immediately called him to the confession room. Everyone condemned Ajaz's physical attack. He was ousted from 'Bigg Boss Halla Bol' for getting into the scuffle.

Puneet Issar-Aarya Babbar fight: Bollywood actor Aarya Babbar had several heated exchanges with co-contestant Puneet Issar during his stint on Bigg Boss 8, and he accused the senior actor of playing dirty politics inside the house. Besides the verbal fights, the 32-year-old actor also engaged in a physical tussle with Puneet, which resulted in the latter being punished. Puneet Issar apparently used 'martial art technique' on Aarya Babbar to pin him down during a task. Bigg Boss immediately ordered to stop the task midway and announced Puneet Issar's eviction for using physical force against Aarya. However, he made a re-entry into the house later, although locked up in a cage as a consequence of his action.

When Mandana Karimi kicked Kishwer Merchantt: Bigg Boss 9 was not averse to controversies like rest of the seasons, leading from the forefront were Mandana Karimi, Kishwer Merchantt and Prince Narula. During one of the task, Highway in 'Bigg Boss Nau' the contestants were divided into two teams and they had to dismount each other from a rickshaw which resulted in Mandana Karimi kicking Kishwer Merchantt and hitting her abdomen. In no time, Kishwer hits the ceiling and throws away her mike announcing that she won\'t continue with the task.

KRK's bottle attack: Season 3 also had Kamal Rashid Khan, arguably the most violent inmate till date. During his stay, KRK got into many arguments, but during a fight with Bakhtiyar Irani and Rohit Verma, he got so agitated that he ended up hurling a bottle towards Rohit, which hit Shamita Shetty instead. The incident led him to eviction.

Mahek Chahal vs Sky: Akashadeep Sehgal a.k.a Sky's fight with Mahek Chahal was the talking point of Season 5 for quite a while. Unhappy with what Mahek had to say about his personality to some housemates, Sky confronted Mahek. When the latter did not show any interest in talking to him, a fuming Sky threatened to expose her character, and dig out her past. The tussle became so ugly that Salman Khan had to intervene.

Raju Srivastav loses his pants: In Season 3, Aditi Gowitrikar and Tanaz Irani pulled off a prank that went a bit too far. At a poolside party, the duo pulled down Raju Srivastav\'s pants, leaving the comedian embarrassed as expected.

Bani walks out of press conference: Bani J walked out during the press conference held in Bigg Boss 10 because Lopamudra Raut wouldn't let her speak. After a few repeated occurrences, Bani lost her cool, especially when she was interrupted while expressing her love for Gauahar Khan. Irate, Bani got up and strutted right out of the room. So much drama!

Rohan Mehra slaps Swami Om: In Bigg Boss 10, Swami Om got into a heated argument with Rohan Mehra, which forced Rohan to slap him. Bigg Boss had introduced the captaincy task wherein Manveer and Rohan had to compete through a flowerbed task. The task took a U-turn when Swami Om barged in and started plucking the flowers. After Swami Om repeated it for the second time, Rohan got agitated and assaulted Swami Om. In a fit of rage, Rohan Mehra ended up slapping Swami Om. Bigg Boss condemned Rohan's action and as a punishment nominated him for the entire season.

Hina Khan vs Shilpa Shinde: One of the biggest controversies in Season 11 of Bigg Boss was the huge fight which broke out between Hina Khan and Shilpa Shinde. Hina called Shilpa a 'bhains' (buffalo), commented on her looks and also remarked on her acting in the show. Hina spoke how she didn't have to cover her face with a 'ghunghat' throughout the run of the show and left her show on her accord, implying that Shilpa parted on a bitter note. The duo got into a fight once again and Hina threw a whole new round of accusations and expletives at Shilpa Shinde.