R1-G4 was an R1-series astromech droid produced by Industrial Automaton at some point prior to the Battle of Yavin. The astromech droid was one of the droids displayed by Jawa traders to the Lars moisture farm when Imperial stormtroopers arrived on Tatooine looking for the escaped Rebel Alliance droids R2-D2 and C-3PO.
- Star Wars: Episode IV A New Hope (First appearance)
- Star Wars: A New Hope junior novelization
- Star Wars: Heroes Path
- "The Red One"—From a Certain Point of View
- Star Wars: The Original Trilogy – A Graphic Novel
- Star Wars: Force Collection (Card: R1-G4 (★)) (First identified as R1-G4)
- Star Wars Helmet Collection 11 (Weapons & Uniforms: Inhabitants of Tatooine) (Picture only)
- Star Wars: The Visual Encyclopedia
- Star Wars: Extraordinary Droids
- Disney Gallery: The Mandalorian – "Practical"
- The Art of Star Wars: The Mandalorian Season One (Indirect mention only)
- "A Scavenger's Saga: Reassembling the Past"—Star Wars Insider 202