The long-running reality show “Big Brother” is celebrating another milestone in season 28. ‘Big Brother’ Fans Will Vote on Which Houseguests They Want To ReturnCBS Josh Martinez on ‘BB Unlocked’ for ‘Big Brother 28’Thursday’s episode will be 90 minutes long, starting at 8 p.m. ‘Big Brother 28’ Already Made HistoryPlayRecords continue to break on the reality show. Season 28 episode 17 showed the houseguests, except for Haley Thogmartin, competing for Head of Household through the wall competition. Rick Devens and season 45 winner Dee Valladares entered the Big Brother house.