Gillian Anderson stars as sex therapist Jean Milburn in the comedy-drama series 'Sex Education'. The show revolves around 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 available to stream on Netflix and has been praised for its refreshing take on teenage sexuality.