Funnyman Ricky Gervais' hit show The Office has officially been named the most successful British comedy of all time. The programme has won a clutch of honours around the globe, and its U.S. spin-off is now a huge hit in America, starring Steve Carell. Overseas sales have now beaten Fawlty Towers. The Office is shown in nearly 90 countries in its original format, and global DVD sales have topped three million copies.