Chef and TV star Gordon Ramsay will return to ITV for a new primetime documentary series, appear on the first week of a daytime cooking show, and guest host upcoming late-night entertainment series The Nightly Show . The chef's own Studio Ramsay will produce the new 20-episode hour-long daytime cookery series Culinary Genius , which is due later in the year, and the documentary show. Ramsay will first be back on ITV as guest host for one week of The Nightly Show , ITV?s new week-night entertainment series.