Gillian Anderson stars as sex therapist Jean Milburn in the coming-of-age comedy-drama series 'Sex Education'. The show follows a socially awkward teenager named Otis, whose mother Jean happens to be a sex therapist. Anderson's portrayal of Jean is both hilarious and heartfelt, as she navigates her own personal life while offering advice to her son and his friends. 'Sex Education' is a witty and relatable series that showcases Anderson's comedic talents.