Star Wars 78: Showdown on Tatooine! is the seventy-eighth issue of the Marvel Star Wars UK series of comic books.
This issue reprints the third of three parts of the story printed in the US as Star Wars 32: The Jawa Express.
- Star-Lord Part 2: In action!
- Guardians of the galaxy! Part 5: Action in the planet of the absurd!
- Tales of the Watcher: The creature who caught an astronaut!