Dragon Ball Z (Movie 5: “Dragon Ball Z: Cooler’s Revenge”).Dragon Ball Z (Season 3 “Frieza Saga,” Episodes 8-25 or 82-99).Dragon Ball Z (Movie 4: “Dragon Ball Z: Lord Slug”).Dragon Ball Z (Season 3 “Frieza Saga,” Episodes 1-7 or 75-81).Dragon Ball Z (Season 2 “Namek Saga,” Episodes 20-39 or 55-74).Dragon Ball Z (Movie 3: “Dragon Ball Z: The Tree of Might”).Dragon Ball Z (Season 2 “Namek Saga,” Episodes 1-19 or 36-54).Dragon Ball Z (Movie 2: “Dragon Ball Z: The World’s Strongest”).
For reference, the anime begins with chapter 195 of the manga and runs through the end (chapter 520). These Dragon Ball Z watch order lists include every episode, manga canon, and filler episodes.