I own the following DBZ Retail DVDs.

1.) Dragon Ball Z: TV - Season 1 - Vegeta Saga Box Set.
2.) Dragon Ball Z: TV - Season 2 - Namek and Captain Ginyu Saga Box Set.
3.) Dragon Ball Z: TV - Season 3 - Frieza Saga Box Set.
4.) Dragon Ball Z: TV - Season 4 - Garlic Jr. & Android Saga Box Set.
5.) Dragon Ball Z: TV - Season 6 - Cell Games Saga.
6.) Dragon Ball Z: TV - Season 8 - Babidi & Majin Buu Sagas.

My DVDAF: http://babynaruto1.dvdaf.com/owned/anime