The Mandalorian season 3 episode 2 finally gives Mando a droid to travel with – and the little astromech is actually a key Star Wars character. Before we go any further, a warning that the following contains spoilers for the latest episode! Turn back now if you're not up to date with The Mandalorian!
In the new episode, Din Djarin and Grogu visit Peli Motto on Tatooine. Mando is still on a quest to repair IG-11 to help him explore Mandalore, but Peli instead advises him to take a different droid with him: a red and white unit named R5-D4.
The droid has popped up in The Mandalorian and The Book of Boba Fett multiple times before, but this is the first time he has accompanied Din on a mission. If the droid looks especially familiar, though, that's because he's actually a crucial Star Wars character.
R5 is none other than the droid that Luke Skywalker and Uncle Owen nearly bought in A New Hope, until the astromech practically exploded, supposedly thanks to a bad motivator. As it turns out, though, R5's malfunction was no accident.
As revealed in the canon short story "The Red One," found in the Star Wars: From A Certain Point of View anthology book, R2-D2 intentionally tried to sabotage a memory-wiped R5 when both were held captive by the Jawas at the start of A New Hope. At this point, R2 was carrying the Death Star plans, meaning it was very important he escaped and found his way to Obi-Wan Kenobi. R2 told the red droid that the galaxy depended on him getting away, but, when the sale began the next day, R5 was picked by Uncle Owen over R2.
As the red droid was led away, R2 again stressed that the galaxy was in serious peril. Finally, R5 remembered that he'd once been involved with the Rebellion, too, and deliberately
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