5 out of 6 featured Tatooine. The only exception was The Empire Strikes Back
Also
5 out of 6 feature Jedi getting killed and/or dying. The only exception was The Empire Strikes Back
The Phantom Menace - Qui-Gon Jinn
Attack of the Clones - Most of the Jedi that were in the Geonosis arena
Revenge of the Sith - Order 66, or the Great Jedi Purge. Just about all of the Jedi were killed.
A New Hope - Obi-Wan Kenobi
The Empire Strikes Back - No Jedi were killed in the events in this movie.
Return of The Jedi - Yoda, then Darth Vader when he was redeemed.