Nanny McPhee and the Big Bang is a 2010 period fantasy comedy film, serving as a sequel to the 2005 film Nanny McPhee. Directed by Susanna White and adapted by Emma Thompson from Christianna Brand's Nurse Matilda books, the film stars Maggie Gyllenhaal, Ralph Fiennes, Rhys Ifans, Ewan McGregor, and Maggie Smith alongside Thompson. The plot revolves around Nanny McPhee aiding a young mother in managing the family farm while her husband is away at war, while also dealing with the children's battle against their spoiled city cousins.