Will & Grace Season 8 Episode 23 The Finale, Part I ( Air Date 2006-05-18 ) Genre Comedy category. Overview "The culmination of eight seasons ends tonight with a one-hour series finale - will Will and Grace raise a child together and find ultimate happiness? Will Jack find anyone that loves him as much as he loves himself? Will Karen find true happiness with the absence of Stan? All these questions and more will be answered as this groundbreaking series concludes eight amazing seasons.".