All seasons
5 seasons - 97 episodes
In March 2009 BBC Four showed the 30-minute programme episode from 1964 featuring the quartet of pianist Dave Brubeck, introduced by Slim Gaillard, with footage restored and re-edited. Numbers included saxophonist Paul Desmond's "Take Five", the first jazz record to sell over one million copies.
The third and final original season ran from 5 January to 20 October 1966.
Season 2 ran from 2 January to 29 December 1965.
This first season ran from 21 April to 26 December 1964.
In May 2019, Jazz 625 returned to the BBC, starting with a 90-minute live show on BBC Four called Jazz 625 Live: For One Night Only. This show was shot in black and white, and mixed archive clips with new performances from the Cheltenham Jazz Festival. Artists who appeared included Cleo Laine, Gregory Porter and Charlie Watts. In November 2020, BBC Four broadcast another one-off special called Jazz 625: The British Jazz Explosion featuring new artists from the London Jazz scene and presented by Moses Boyd and Jamz Supernova. Two more sessions have since been recorded.