The series follows the lives of many of the pupils from Fenn Street School as they enter the world of work.

Some episodes were written by Geoff Rowley and Andy Baker, as well as David Barry and Tony Bilbow.

The series' stars were Peter Cleall, Carol Hawkins (who also replaced Penny Spencer as Sharon in the 1971 Please Sir!

Peter Denyer (Dennis Dunstable) and Liz Gebhardt (Maureen Bullock) were absent from the third (and final) series.

Seasons two and three, consisting of eighteen and eight episodes respectively, were recorded at LWT's newly constructed South Bank Television Centre (also known as Kent House).