* Original Japanese Broadcast: There are 291 episodes of Dragon Ball Z.
* Original English Dub: There are 291 episodes, as the English dub follows the Japanese order.
* Kai (Remastered): There are 167 episodes of Dragon Ball Z Kai, as it's a remastered version that condenses the original series while keeping the plot and story intact.
Therefore, you have three different ways to count the episodes, depending on the version you are referring to.