<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 . All 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>
what channel is celebrity big brother on in the usa
CBS