CBS to Air Big Brother 25th Anniversary Special CBS presents BIG BROTHER 25TH ANNIVERSARY CELEBRATION, an ENTERTAINMENT TONIGHT special, premiering Wednesday, July 26 (9:00-10:00 PM, ET/PT) on the CBS Television Network, and streaming on Paramount+ (live and on demand for Paramount+ with SHOWTIME subscribers, or on demand for Paramount+ Essential subscribers the day after the special airs)*. BIG …