According to Barfe[2] and IMDb,[3] the broadcast episodes were as follows:
- Series 1: 6×30 min, 30 April – 18 June 1969
- Series 2: 6×30 min, 10 September – 19 November 1969
- Series 3: 4×30 min, 16 August – 6 September 1971
- Series 4: 6×30 min, 13 January – 17 February 1972
- Series 5: 7×45 min, 29 July – 9 September 1972
- Series 6: 6×30 min, 30 October – 4 December 1972
- Series 7: 7×30 min, 28 July – 8 September 1973
- Series 8: 7×30 min, 25 January – 8 March 1974
- Series 9: 7×30 min, 28 June – 9 August 1974
- Series 10: 4×60 min, 2 January, 25 February – 10 March 1976
- Series 11: 7×30 min, 19 October – 30 November 1976
All of series 1 and episodes 1–5 of series 2 were made in black and white. All others were made in colour. Timings are given including advertising breaks: the actual running times are several minutes shorter.
Most episodes followed a 'variety' format, including musical and dance numbers with various musical guests. An exception is Series 6, which although treated by IMDb and video label Network as part of the series, bears a different title, Les Sez and consists only of comic sketches and standup. Series 11 also lacks musical and dance items.
Most episodes were directed by David Mallet, later a prominent director of music videos. The exceptions were Series 6, directed by Bill Hitchcock, and Series 10–11, directed by Vernon Lawrence.
A Christmas special aired in 1973, and a New Year special in 1976.
All episodes of series one and two are missing, and are believed to have been wiped. The remaining episodes survive in the archive and have been released on DVD by Network.
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