This Is When Big Brother Australia 2026 Starts: Premiere Date, Host, Cast

THE RUNDOWN

• Big Brother Australia returns to Network 10 on Monday, October 26 at 7.30pm AEST.
• Mel Tracina is returning to host the 2026 season for the second time.
• A new “Mystery Button” is among the twists being introduced this year.
• Big Brother 2026 will follow the same broadcast schedule of six nights a week, Sunday-Friday, skipping Saturdays.