I emailed Channel Four on Monday and recieve this reply this morning
Thank you for contacting Channel 4 Viewer Enquiries regarding BIG BROTHER.
We are pleased to hear that you are excited about the upcoming ninth series of BIG BROTHER. The current scheduled date for the launch is mid-may.
More information is going to be avaliable on the BIG BROTHER website in the next 2 weeks. The address is:
www.channel4.com/bigbrother.
Thank you for taking the time to contact us here at Channel 4, we hope you continue to enjoy our programming.
Regards,
Jane Morgan
Channel 4 Viewer Enquiries