Under And Over.

Under and Over was a 1971 BBC television situation comedy, which lasted one series of six episodes. In it The Bachelors, an Irish singing trio, played Irish labourers working on the construction of a new London Underground line Bob Keegan played Lord Brentwood, the boss of the construction company, who was also Irish. It featured culture clashes between Irish and British people, and the ambiguous position of people of Irish background in Britain.