Fred's Treasure Garden Sanford and Son : Season 4 Episode 11

With Fred in St. Louis, Grady has been put in charge of taking care of his garden. Grady quickly notices a strange plant growing and assumes that it's wild parsley. However, Rollo is convinced it's marijuana and Lamont decides to turn it into the police. However, when Smitty and Hoppy arrive, the plants are gone but Grady has made dinner for everyone, a nice big salad for everyone.