Dressed in ethnic attire, Salman kicks off the episode dancing to his popular track 'Munda Kamal Hain'.
Soon, ace tennis player Sania Mirza also joins him on the stage as a special guest on this occasion.
A devoted fan of Bigg Boss, Sania speaks about her tennis academy that is underway and will be launched soon.
Salman charms Sania with his dancing and wittiness as they also perform on his popular song 'Tu Hi Toh Meri Dost Hain'.
To add to the grandeur of the night, 'Ram Leela' star Ranveer Singh pays a visit to the Bigg Boss house and surprises all the housemates.
He not only makes everybody dance to a song from his upcoming movie but also makes them play an interesting game called 'Ishqiyaon Dhishkiyaon'. Soon after, he wishes everybody a very Happy Diwali and makes an exit.
Thereafter, recently evicted contestant Apoorva Agnihotri joins Salman on stage and interacts with the housemates through ME TV. Apoorva will be given a special power to save one contestant from next week's nominations. He is also asked to choose a Hero and Villain of the house after which he bids a final goodbye to everyone.
Finally, Salman surprises everybody by entering in the house with plenty of sweets and fireworks for the housemates. He performs Laxmi Puja with them and munches on sweets while indulging in a lot of fun.
Contestants also decide to entertain Salman with a talent show where Kamya and Gauahar will step in Salman's shoes and become the hosts for the evening fiesta.
While Sofia and Armaan collectively sing a song, Ajaz showcases his acting skills.
Gauahar and Elli stun Salman with their dance performance and present an item number. Salman further joins the housemates in bursting some crackers and also light diyas making this Diwali a special one for everyone.
Mumbai Roundup: 9 incidents that took place this week
Photos: Ajay Devgn, Parineeti, Tabu at 'Golmaal Again' trailer launch
Photos: Dipika Pallikal Karthik oozes oomph in bikinis and sarees
Photos: Kareena Kapoor Khan's grand birthday bash
Photos: 'Dangal' girls Sanya Malhotra, Fatima Sana Shaikh's dinner outing