Jake Kanter International TV EditorEXCLUSIVE: ITV has commissioned an extended second season of its odd-couple detective series McDonald & Dodds, starring Jason Watkins (The Crown) and Tala Gouveia (Cold Feet).Mammoth Screen, the producer behind the upcoming BBC/Netflix series The Serpent, will produce another three feature-length episodes of ITV’s crime-of-the-week murder mystery drama.