How to Watch Big Brother When Do New Episodes of ‘Big Brother’ Season 27 Air? Full Schedule 5 months ago Last week, the official theme for Season 27 of the popular reality competition show "Big Brother" was "Big Brother: A… How to Watch ‘Big Brother’ 26: Start Date, Time, and Online Streaming 1 year ago Big Brother 26 premieres tonight on CBS. But after 25 seasons, how do you keep the reality show format fresh?…