BB4 meaning in Community ?

Bigg Boss 4 is the fourth season of Indian reality TV show Bigg Boss, which aired on Colors from 3 October 2010. This season was longer than its predecessor, Bigg Boss 3 and lasted for 14 weeks (96 days) ending on 8 January 2011. Salman Khan joined the show for the first time as host and has subsequently hosted all the following season. This season became the highest rated season with the finale trp reaching 6.2 and the average trp being 4.8.

During the launch on 3 October, fourteen hand-picked housemates entered the house located in Lonavla, a hill station, about 100 kilometres east of Mumbai in the Indian state of Maharashtra. Two additional wild card entries were made during the second and third weeks, taking the number of contestants to sixteen. The housemates, considered strangers to each other, spent 96 days (14 weeks) locked up together under the supervision of 32 cameras fitted around the house. Four of the housemates, Ashmit Patel, Dolly Bindra, The Great Khali and Shweta Tiwari, reached the final week, facing public vote. The show ended on 8 January 2011 with the grand finale. Shweta Tiwari emerged as the winner, going away with a prize money of ₹ 10 million, while The Great Khali was announced as the runner-up.