This new special reveals the secrets of the long-running sitcom's extraordinary success. Helped by former cast and crew members, families of the stars no longer with us, and celebrity fans, we learn the secrets of this comedy classic and get to see previously unseen interviews and rare behind-the-scenes archive footage.

Academy Award-honoree Peter O'Toole stars in this musical classic about a prim English schoolmaster who learns to show his compassion through the help of an outgoing showgirl. O'Toole, who received his fourth Oscar-nomination for this performance, is joined by '60s pop star Petula Clark and fellow Oscar-nominee Michael Redgrave.

Free-spirited writer Juliet Ashton forms a life-changing bond with the delightful and eccentric Guernsey Literary and Potato Peel Pie Society, when she decides to write about the book club they formed during the occupation of Guernsey in WWII.

A boy, a girl, and the worst football team in Britain. You can't choose who you're going to fall in love with.

A new schoolteacher learns that the previous teacher was killed by his students, and he fears the same fate will befall him.