Plot: Jerry Van Dyke joins the cast as Genie's 50,000-year-old grandfather, who must be decommissioned because his magical powers have waned. Genie's caustic mother Estelle also pays a visit, and complains that her son's master is a non-wisher -- but then Gillian finally makes a wish that may forever affect an ancient tradition as well as Grampa Max when she learns that he is to be sent on the ""Big Ride"" into eternity