Season 4 confirmed Kanan and Hera as a romantic couple. Ezra and Kanan wait in space with a transport ready to evacuate Sabine once she finds the defectors. During Ahsoka's battle with Vader, Kanan and Ezra work together to remove the holocron from its base, destabilizing the entire temple in the process as the collected energy releases explosively and collapses the structure. While Kanan stays behind, Ezra makes his way through the temple alone and is faced with a series of visions showing the Inquisitor killing Kanan and the rest of the Ghost crew. Now safe, Mart and his friends decide to join the rebels.
However, Ezra manages to establish contact with them through the Force and learns that his crew and the purrgil actually pursue the same basic goal, if for slightly differing priorities. The episode ends with Kenobi watching a young at the Lars moisture farm from a distance. Ezra, Saw, and the rest of the group pursue the Geonosian and it activates more battle droids which attack Sabine and Zeb. Following Trayvis's transmission, the rebels find him and save him from Kallus by escaping into Lothal's sewer systems. He periodically reappears to send supplies and give the Ghost crew missions. Due to the fuel tank leaking on the Phantom, the two are left stranded on the base, which is infested with deadly fyrnocks.
Ezra somehow opens the holocron and sees a message from Obi-Wan Kenobi. Inspired by the actions of Leia and Rebels, Azadi decides to join the cause. Kanan rescues the Ghost crew while Maul combines the Holocrons with Ezra. However, the initial reception is quite hostile, since Sabine is still considered a traitor to her family due to her defection from the Empire. After discovering that the Protectors of Concord Dawn had allowed rebel ships to pass through their system, he led a squad in annihilating them in order to lure Fenn Rau back to the system. However, he would later side with his family when Gar Saxon threatened to wipe them out, and later joined Sabine in going to the aid of the rebels on Atollon when Thrawn attacked the planet.
Imperial forces are while a fledgling against the Empire is taking form. Ezra reaches Sabine and manages to convince her and Rau to lead a small Mandalorian force to destroy the remaining Interdictor cruiser, which will allow the Rebels to escape. Ezra uses a Jedi mind trick on the captain to have the crew abandon ship while Zeb and Sabine subdue Cham's men. A veteran of the Clone Wars, he accepted Imperial bribes to prevent rebel travel through his system, but later ordered his men to permit rebel passage to keep the Empire away after being captured by Sabine.
Siding with Clan Wren during the Mandalorian Civil War, believing that she had lost the right, she accepted the darksaber from Sabine to lead their people once more as Mandalor after Sabine and their people convinced her that there was no other that could do it better. Walking mysterious paths, the rebels inexplicably find themselves in a hidden settlement halfway across the planet which was visited in ancient times by the Jedi who erected the secret temple on Lothal, and discover that the Loth-Wolf is a messenger of the Force, here to tell them of a more sinister goal pursued by the Empire. Ahsoka informs the team at their destination on a distant planet that the two Inquisitors are involved. Ahsoka's mind is temporarily overwhelmed in the process. She stops Ezra from an impulsive attempt to change fate by trying to save Kanan from his own demise, just as he had saved her, before the Emperor attacks them through the breach the Lothal portal has created. Although sightless, Kanan dons the mask of a fallen Jedi Temple Guard and manages to throw Maul from the top of the temple.
Kanan heads back to rescue Rex and they deploy an escape pod, as Chopper's sabotage causes the gravity well projectors to overload, pulling the other Imperial cruisers towards the Interdictor and destroying it. Zeb takes Kallus to Lira San to show him that he didn't truly exterminate all of the Lasat species, and that he is welcomed there as one of them. Kanan and Sabine arrive, having tracked Ezra to Dathomir, but they are possessed by the Nightsisters and made to attack Ezra and Maul. After they destroy an Imperial probe droid, a squad of Imperial Mandalorians led by Gar Saxon arrive to investigate. He achieved the legendary feat of capturing Obi-Wan Kenobi, Anakin Skywalker, and at the same time. Ezra reveals himself to be alive and to have gotten a scar during the battle with the Inquisitor and escapes with Kanan.
While spying on Gar, Fenn realizes that the Empire intended to destroy him and the Protectors all along, and he decides to join forces with Sabine. In season 3, he continues to chase the rebels under Governor Pryce and Grand Admiral Thrawn. On September 2, 2017, a second trailer for season four was released during a panel at Fan Expo in Canada, and the date for the season's premiere was announced as October 16, 2017. Sabine, Wedge, and Hobbie are captured and Rake is killed while Ezra and Kanan are forced to retreat. The Bendu firsts tests Kanan and Ezra by having them navigate a cave, infested with Atollon's native krykna hexapod spiders.
Ezra becomes concerned at the hostility Saw is showing to Klik-Klak, and Rex explains that Saw's sister was killed by a Geonosian-built gunship during the Clone Wars. Ezra is suspended, but expresses his gratitude to Kanan for rejoining the action while the rebels learn that the Y-Wings are to be delivered to 's unit. Wrapping up last year, the show took place right before the events of and followed a small band of rebels who crewed the Ghost. She and Ezra sneak into the base while the rest of the crew and Cham distract the Imperial patrols.
But when Ketsu left Sabine for dead, she joined the Black Sun while Sabine joined the crew of the Ghost. One of those questions revolves around the mystery of appearance. Ezra and Chopper are captured while Sabine and Fenn manage to escape. Ezra and Chopper return to base on Maul's ship. In season 2, when the Lothal authorities continue to prove ineffectual against the Rebels, he eventually brings in Darth Vader to take charge.
Pryce then organizes a trap by arranging a training flight in space. Sabine, Kanan, and Ezra travel to her system to straighten things out with her, although she dislikes having Jedi in her headquarters. He's a little more rough around the edges. . The Lothal Rebels prepare to leave on the Phantom, but Ezra is unwilling to leave Rex and the clones behind.