<P> The format of the show remained similar to the American version of Big Brother . Competitions for Head of Household and Power of Veto had been confirmed to returned for this edition along with live evictions . On December 1, 2017, CBS revealed that the series would premiere on February 7, 2018 and wrap on February 25, 2018 . </P> <P> Celebrity Big Brother was a condensed version of the game and would not last as long as a regular season of Big Brother, with episodes only shown over two weeks instead of three months . Unlike the parent series Jury members were not sequestered separately and were allowed to return to the outside world as well as watch the show . Beginning with an incident that led to a lawsuit in Big Brother 2 when HouseGuest Justin Sebik got drunk and threatened fellow HouseGuest Krista Stegall by holding a knife to her throat, there has been an alcohol restriction in the house . The alcohol restriction was lifted for the Celebrity HouseGuests . The space in the backyard was reduced to allow production to constantly perform construction for competitions but still allow 24 / 7 access for the HouseGuests . For the celebrity version of America's Favorite HouseGuest, the term Favorite Celebrity HouseGuest was also being used interchangeably . For the first time since the beginning of the U.S. series, five players were featured in the season's finale night versus the usual three . </P> <P> The main television coverage of Celebrity Big Brother was screened on CBS during the winter of the 2017--18 network television season . CBS decided to schedule the spin - off during the February 2018 sweeps period to counterprogram NBC's coverage of the 2018 Winter Olympics . Episodes aired on Sundays, Mondays, Wednesdays, and Fridays with two special episodes on Thursday, February 8 and Saturday, February 24 . Most episodes aired for one hour and aired from 8: 00 - 9: 00 p.m. EST; the Friday episodes and the season finale, however, ran for two hours each (from 8: 00 - 10: 00 p.m. EST). The live Internet feeds returned for the American version of Celebrity Big Brother as part of CBS All Access . Alongside the weekly shows on CBS, the companion series Big Brother: After Dark returned on Pop under the title Celebrity Big Brother: After Dark . The show provided live coverage nightly from inside the House . </P> <P> The series was screened in Canada on Global in simulcast with CBS . </P>

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