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This final episode of The Waltons' sixth season marks the return of series regular Ellen Corby, appearing as Grandma Walton for the first time since suffering a stroke in 1977. Back at home after a long hospital stay, Grandma is still unable to speak and is very limited in her movements. She's also quite peeved over the fact that the family won't allow her to even try to recover on her own, and insists upon waiting on her hand and foot. Meanwhile, young Elizabeth Walton (Kami Cotler) discovers she has an admirer in the form of her shy, chubby classmate Clarence (Kenny Marquis). The episode's closing line is one of the truly classic moments in TV history. Ironically, "Grandma Comes Home" also represents the final appearance of Will Geer as Grandpa Walton; Geer died shortly after filming completed, in the summer of 1978.