The greatest sitcom ever made: The Fall and Rise of Reginald Perrin, by Simon Heffer.

Perrin was made in an age when the BBC did not feel the urge to use its drama and comedy programmes to proselytise about minority rights, prejudice, racism and homophobia. It took a problem common to the silent majority and explored it sensitively, but with brilliant humour. That was why Perrin was so popular in its day, and why if one watches the box set now, 40 years later, it transmits through wit something timelessly relevant.

hat-tip Matthew