According to the search results, the schedule for Big Brother 25 in 2023 varies depending on the week and the source. However, the most recent information available indicates that new episodes of Big Brother 25 are airing on Sundays, Tuesdays, and Thursdays. The episodes air at different times depending on the day, with some episodes starting at 8:00 PM EST and others starting at 10:00 PM EST. The last episode of Big Brother 25 is expected to air in November 2023.