While Tesco and the other big chains appear to be faltering, Aldi goes from strength to strength and has now overtaken Waitrose as Britain's sixth largest supermarket. They have also undoubtedly made their mark here in Ireland, with stores popping up on a constant basis. As more and more shoppers switch, Morland Sanders goes undercover to investigate the supermarket's practices, examining if its promises to provide amazing value are delivered without compromising on quality and service.