what episode does ahsoka fight vader

Ahsoka fought Darth Vader in the "Star Wars: Rebels" season 2 finale, entitled "Twilight of the Apprentice." The battle took place on Malachor V, three years before the events of "Star Wars Episode IV: A New Hope". This fated duel between Ahsoka and Darth Vader is considered a significant moment in the Star Wars storyline, as it marked the first time Ahsoka saw her former masters fallen form more than 15 years since they last saw one another. The confrontation between Ahsoka and Vader in "Star Wars Rebels" has been well-received by fans, with a higher IMDb rating of 9.8/10 compared to Ahsoka episode 5s rating of 9.4/10.