While Leia never explicitly mentions her past relationship with Obi-Wan, the events of Obi-Wan never directly contradict the events of A New Hope either.
Why does Obi-Wan not recognize r2d2 in A New Hope?
The base assumption of why Obi-Wan doesn't remember R2-D2 -- in light of the prequels -- is that Obi-Wan is feigning ignorance in A New Hope to downplay the importance of the droid's arrival.
According to the official synopsis, Obi-Wan Kenobi is set 10 years after the events of Revenge of the Sith. There's a ton of information we can glean off of that. For one thing, this means the show is set in 9 BBY — or nine years before A New Hope.
Set nine years before A New Hope, the Star Wars series Obi-Wan Kenobi may have explained an odd scene between Princess Leia and Luke Skywalker. In A New Hope, Obi-Wan and Leia never spoke face-to-face, only communicating through Leia's recorded message to the former Jedi Master.
No, the Obi-Wan Kenobi Series Doesn't Contradict A New Hope
Did Darth Vader know Leia was his daughter in A New Hope?
Darth Vader's failure to recognize Leia as his daughter in Star Wars: A New Hope stems from George Lucas's late decision to make Luke and Leia siblings. Leia's Force abilities and her lack of awareness of her true identity also contributed to Vader's inability to sense their familial connection.
Leia was not using the Force or was currently Force-sensitive during her confrontation with Vader. She began training as a Jedi years later. All these reasons prove my point: Vader didn't know Leia was his daughter, and felt no presence of the Force in her, as she was not currently strong with the Force.
How much time passed between Obi-Wan show and A New Hope?
The in-universe time lapse between those periods is pretty much the same: around 10 years between Revenge of the Sith and Obi-Wan Kenobi, and about nine years between Obi-Wan Kenobi and A New Hope.
Why Obi-Wan Kenobi Ages So Drastically. The main out-of-universe reason is that Obi-Wan is played by different actors in those films: Alec Guiness in A New Hope and Ewan McGregor in the prequel series and the Disney+ series.
Obi-Wan Kenobi takes place 10 years after the events of Revenge of the Sith, and nine years before A New Hope. That means we pick up with the titular Jedi Master in exile on Tatooine, watching over a young Luke Skywalker (he and his twin sister Leia Organa are both 10 years old).
secondly, in Legends, R2 was given programming that actually restricted him. from sharing any information with Luke or Leia. about their parents or relation to one another. this was all part of the plan. to conceal this information from the twins.
Star Wars Theory: R2-D2 Didn't Know Anakin Skywalker Became Darth Vader. R2-D2 served Queen Amidala and later Anakin Skywalker, accompanied by C-3PO. Unlike the golden protocol droid, R2-D2 never had a full memory wipe, so he was well aware of all events that happened around him.
Every time she speaks, he remembers Padmé. Fighting alongside Sabé reminds him of fighting alongside his wife. While that is certainly painful enough, it's also reminds Vader of the man he used to be, a past he had long ago attempted to kill and bury. However, the memory of Padmé via Sabé won't let his past stay there.
However, rather than be an oversight or plot hole, Leia might not have remembered old Ben for one sinister reason. This has to do with Ben's Jedi powers, namely the mind trick. As he grew older, he'd use it on Stormtroopers to protect Luke Skywalker.
Alderaan's princess knew she had been adopted by Bail and Breha Organa after the Clone Wars, but she had no idea who her parents were. That was until Luke Skywalker told her the truth - that he was the son of Darth Vader, and that she was his sister.
A New Hope, the movie used as a reference for the Star Wars timeline, takes place in 0 BBY. Therefore, Obi-Wan is 57 years old in A New Hope. Sir Alec Guinness, who played Obi-Wan Kenobi in the original Star Wars trilogy, was 62 years old when filming A New Hope.
Thanks to Obi-Wan's fight with Vader, it's possible that his old appearance in Star Wars: A New Hope is from the Dark Side of the Force, his burns causing his health to deteriorate, or some combination of the two.
In the story, we learn that Obi-Wan took on the name Ben because it's a nickname given to him by an old flame, the Duchess Satine Kryze. He takes on the name because it still has emotional resonance for him.
Star Wars Jedi: Survivor is set roughly five years after the events of Fallen Order — so, 9 BBY. This places Jedi: Survivor between the prequel and original trilogy, set during the same year as Obi-Wan Kenobi and roughly around the same time frame as Andor.
How many years does Return of the Jedi take place after A New Hope?
Three years then pass between the events of A New Hope and The Empire Strikes Back, replicating the real-world wait audiences had to endure for the sequel. Finally, Return of the Jedi is set in 4 ABY, a year after The Empire Strikes Back. In total, only four years pass during the original trilogy.
How long after Revenge of the Sith is the Obi-Wan show?
Set ten years after the events of Star Wars: Episode III – Revenge of the Sith (2005), the series follows Kenobi as he sets out to rescue the kidnapped Princess Leia (Vivien Lyra Blair) from the Galactic Empire, leading to a confrontation with his former apprentice, Darth Vader (Hayden Christensen).
in the Dark Horse comic series star Wars Tales, which is now part of legends, it's revealed that Darth Vader did recognize C. 3PO on Cloud City. when 3PO was shot by Stormtroopers, his parts were brought before Vader. because the Imperials thought he could hold valuable.
