S1·E6 The Root of Evil
Aired September 15, 1986
Synopsis
Dr. Whitestead's plant food formula goes haywire--spilling on him and turning him into a plant! Ming seizes the scientist, the fomula, and his daughter.
Lothar and Mandrake use their skills to save Whitestead, and the defenders must stop Ming from using the forumla to transform the whole planet into plants.