 She produced "Invasion of the Bane", the pilot episode of "The Sarah Jane Adventures", a spin-off from "Doctor Who", on which she had worked as a first assistant director.During the production of the third series of "Doctor Who", Liggat produced one filming block (the two-parter "Human Nature"/"The Family of Blood") as holiday relief for regular producer Phil Collinson.Liggat produced five episodes of the fourth series