Purchase the official Dad's Army Father's Day card online here at Danilo. Personalise the name or relation you'd like and have the card read "'Dad', this Father's Day your country needs you to stay indoors!" continued at the bottom it says "Next year we'll celebrate like we've won the war!" The front of the card also features a black and white image form the show Dad's Army and the classic slogan "Don't Panic!" from the show.