Description: The program was created by Norman Lear and produced by Alan Thicke as a spinoff and summer replacement for Lear's satirical soap opera Mary Hartman, Mary Hartman. Fernwood 2 Night is set in the fictional small town of Fernwood, Ohio, which is also the setting for Mary Hartman, Mary Hartman, a show in which Mull portrays Barth's twin brother Garth Gimble, who died after being impaled on an aluminum Christmas tree.