When Does Big Brother Start Summer 2025. Big brother airs at 7.30pm monday, tuesday and wednesday night (awst) on channel seven and 7plus. It will also reverting to its original live format—yippee!
Following some credible rumors, cbs officially confirmed that season 25 will kick off on wednesday, august 2nd. The exciting news was announced at the network’s upfronts events held on september 16, 2024, in sydney.