The U.S. version of Big Brother is currently on Season 27 in 2025.

Quick Scoop

  • The American Big Brother airing on CBS in 2025 is Season 27, often referred to as Big Brother 27.
  • Episodes and streaming listings on CBS and Paramount+ also label the current run as Season 27 (S27).
  • Media coverage and cast announcements for the 2025 edition likewise describe it as the 27th season of the U.S. series.

So if you’re asking “what season of Big Brother are we on” about the main U.S. show in 2025, the answer is Season 27.

TL;DR: In 2025, the U.S. Big Brother on CBS is on Season 27.

Information gathered from public forums or data available on the internet and portrayed here.