The season featured 12 teams from across England and Scotland including a new entrant, the reformed Manchester Giants, who were based on the original franchise of the same name that folded in 2001.
[2] The pre-season also saw long-time member franchise Milton Keynes Lions relocate to London and rebrand itself as the London Lions,[3] whilst Cheshire Jets – encountering severe financial difficulties and threatened with the franchise being dissolved – were saved by campaigning local fans and businessmen and renamed as Cheshire Phoenix midway through the season.
[4] The Championship regular season commenced on 21 September 2012 with reigning Champions Newcastle Eagles beginning the defence of their title with a 72–65 victory over Glasgow Rocks.
Following the withdrawal of East London Royals prior to the start of the competition, Worthing Thunder from the English Basketball League were invited to take their place and play Mersey Tigers in the 1st Round.
The Final was held at the Emirates Arena in Glasgow and saw Sheffield Sharks claim their first Trophy in 15 years, after 71–69 victory over Leicester Riders.