Bonanza 'un 2 sezonu NBC 'da samedi 10 septembre 1960 'dan samedi 3 juin 1961'a kadar yayınlandı. 34 bölümlerinden oluşuyor, ilkinin adı "Showdown" ve sonuncusunun adı "Sam Hill".
The show chronicles the weekly adventures of the Cartwright family, headed by the thrice-widowed patriarch Ben Cartwright. He had three sons, each by a different wife: the eldest was the urbane architect Adam who built the ranch house; the second was the warm and lovable giant Eric "Hoss"; and the youngest was the hotheaded and impetuous Joseph or "Little Joe". Via exposition and flashback episodes and each wife was accorded a different ethnicity. The family's cook was the Chinese immigrant Hop Sing.