Lucasfilm has released the first teaser for the "Star Wars Rebels" finale, which will air as a special one-hour episode, March 30 on Disney XD.

The teaser for the episode, titled "Twilight of the Apprentice," follows the history of Ahsoka Tano and Anakin Skywalker -- Ahsoka's former Jedi mentor and close friend, as chronicled on "Star Wars: The Clone Wars" -- before the two go head-to-head on opposing sides in the "Rebels" finale.

Check out the teaser, called "Ahsoka Tano and Darth Vader: The Rise and Fall of a Friendship," below:

After gaining information about the Sith, Kanan, Ezra and Ahsoka battle the Inquisitors with the help of a new ally, but are overmatched when Vader arrives.

"Star Wars Rebels" airs Wednesdays at 9/8c on Disney XD.