First broadcast 9th October 1971.<br /><br />New supply teacher and former army Captain Mr Dix runs his class with military precision and rules his class with a regimental authority.<br /><br />Deryck Guyler - Norman Potter<br />Noel Howlett - Mr. Cromwell<br />Joan Sanderson - Doris Ewell<br />Richard Davies - Mr. Price<br />Erik Chitty - Mr. Smith<br />Peter Cleall - Eric Duffy<br />Glynn Edwards - Mr. Dix<br />Jeanne Mockford - Mrs. Duffy<br />Richard Mottau - Kevin Duffy<br />Bruce Hodgkins - School pupil
