 Between 1991 and 1994, Wrightson served as Chief Film Censor.Wrightson wrote in 1992 that her “strong will has been a blessing and a curse to me.The strength is needed as a film censor – there are so many individuals and groups pulling in so many different directions that after absorbing all the approaches one simply has to go with instincts, consultation and a healthy dollop of common sense.”

In 1992, Wrightson banned "", calling it a “stalk and slash” movie too violent for New Zealand screens.