Ultimate Big Brother was the final series of the UK reality television programme Big Brother to air on Channel 4. The series was produced by Remarkable Pictures, a division of Endemol. Ultimate Big Brother was an All Star edition of the Big Brother series - featuring memorable housemates from previous series of Big Brother, and Celebrity Big Brother. A 24-hour live streaming service was also available via the Big Brother website as a fee-based service. The series ended with Brian Dowling winning the title of the "Ultimate Housemate" and the words "Big Brother will get back to you".