Last summer, in the middle of his 22nd season as host of Masterpiece Theatre, Alistair Cooke announced that he would retire this ... aquot;I think Ia#39;d be uncomfortable reading from any sort of guide. I write my stuff, go to the studio, memorize and film one episode at a time. ... Wea#39;ve even done 1 3. ... Sort of moonlighting, you know.