Warning! This post contains SPOILERS for Ahsoka episode 5Ahsoka episode 5 is a major exploration into the past with references to three of Darth Vader's biggest battles in the Star Wars canon. Reuniting with the spirit of her master Anakin Skywalker (Hayden Christensen) thanks to a vision through the Force, Ahsoka Tano (Rosario Dawson) experiences key moments from her past as a Jedi as Anakin attempts to teach her a critical new lesson. However, this version of Anakin appears as Ahsoka remembers him in his entirety, including his fall to the dark side as Darth Vader.
https://screenrant.com/ahsoka-anakin-duel-inspired-darth-vader-battles/