Big Brother 25: How Many Episodes Are Left & When The Finale Airs

Big Brother 25 is underway, and as many are settled in for what will be the longest season of the series ever, some are wondering when the finale will air. Big Brother has become one of the longest-running reality TV competition series of all time, having aired since 2000. Though the game has changed through the years, it's been a huge success for CBS and has even inspired different iterations of the series internationally, like Big Brother Canada. With the series reaching its milestone season, Big Brother 25 has been going all out with its twists and turns this season.