Yes Minister - Season 3 Episode 5

The Minister yet again finds himself in it when the Cabinet Secretary and the Prime Minister's senior advisor con him into taking responsibility for developing a national transportation policy. The whole thing has been tried before and with little success. Sir Humphrey is aghast that the Minister took this on without first discussing with him and at the first meeting of officials, the Minister also realizes that he has made a grievous error. Their first attempt to rid themselves of the commitment fails but their second attempt proves somewhat more successful.