The 2004–05 BBL season was the 18th campaign in the history of the British Basketball League, which commenced on 2 October 2004, and ended with Newcastle Eagles' win in the Play-off Final on 1 May 2005.
Eagles won their first piece of silverware in 13 years with victories in the play-offs and the BBL Trophy, against Brighton Bears on their home court at The Brighton Centre.
[1] The League saw the addition of a new franchise for the first time in eight years – when Edinburgh Rocks joined in 1998 – with Plymouth Raiders stepping up from the English Basketball League Division 1.
Northern Group 1 Southern Group 1
Northern Group 2 Southern Group 2