"One Foot in the Grave" is a British sitcom that aired from 1990 to 2001. The show follows the life of Victor Meldrew, a grumpy retiree who often finds himself in absurd and frustrating situations. His catchphrase, "I don't believe it!" reflects his disbelief at the challenges he faces in everyday life. The series explores themes of aging, frustration, and the quirks of modern life. It was created by David Renwick and received critical acclaim for its writing and performances, particularly that of Richard Wilson, who portrayed Victor. The show remains a beloved classic in British television history.