The 2012–13 season was the 26th campaign of the British Basketball League since the league's establishment in 1987. 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. East London Royals were due to become the 13th member of the League, but after their financial backing fell through weeks before the start of the season, the League deferred their entry until the 2013–14 season. The pre-season also saw long-time member franchise Milton Keynes Lions relocate to London and rebrand itself as the London Lions, whilst Cheshire Jets – encountering severe financial difficulties and threatened with the franchise being dissolved – were saved by campaigning