(1991-1992) Beatrice Arthur, Rue McClanahan, Betty White, and Estelle Getty (as Arthur’s mother) return for their seventh and final season in the Emmy-wining sitcom about mismatched South Florida housemates sharing a Miami home and proving there is life after 50. Herbert Edelman and Harold Gould co-star in recurring roles and guest stars this season include Leslie Nielsen, Peter Graves, Edie McClurg, Kristy McNichol, Merv Griffin and Alex Trebek, who appear as themselves when Dorothy (Arthur) tries out for "Jeopardy."