The Empire tracks the Lothal Rebels to Seelos. Admiral Konstantine and Agent Kallus arrive at the Seelos System to capture the Jedi. Rex gives the Lothal Rebels a datachip containing old Republic bases in the Outer Rim. Ezra tries to persuade the clones to join the Rebellion, but Rex and the clones instead offer to delay the Empire so the Lothal Rebels can escape. Agent Kallus commands the clones to hand over the Rebels, but when Rex refuses, Kallus arrives with three AT-ATs. Taking advantage of a sandstorm and the Force, Kanan, Ezra and the clones use their AT-TE's main balloon to destroy one of the AT-ATs. Meanwhile, Admiral Konstantine is summoned away by Darth Vader. Instead of meeting him, the admiral meets Fifth Brother, who claims that he will succeed where Kallus and Konstantine have failed. The Lothal Rebels prepare to leave on the Phantom, but Ezra is unwilling to leave Rex and the clones behind. Kanan, Ezra, and Zeb commandeer one of the AT-ATs and turn its weapons on Kallus' AT-AT which Rex destroys with a critical hit. Kallus flees the battle on a speeder. Hera returns to pick up the clones and the Ghost crew. Returning to the Rebel flotilla, the Lothal Rebels and Rex reunite with Ahsoka.
s02e01 - The Siege of Lothal
s02e02 - The Lost Commanders
s02e03 - Relics of the Old Republic
s02e04 - Always Two There Are
s02e05 - Brothers of the Broken Horn
s02e06 - Wings of the Master
s02e07 - Blood Sisters
s02e08 - Stealth Strike
s02e09 - The Future of the Force
s02e10 - Legacy
s02e11 - A Princess on Lothal
s02e12 - The Protector of Concord Dawn
s02e13 - Legacy of Lasan
s02e14 - The Call
s02e15 - Homecoming
s02e16 - The Honorable Ones
s02e17 - Shroud of Darkness
s02e18 - The Forgotten Droid
s02e19 - The Mystery of Chopper Base
s02e20 - Twilight of the Apprentice: Part I
s02e21 - Twilight of the Apprentice: Part II
Set five years before "Star Wars Episode IV: A New Hope" following the fall of the Galactic Republic and the Jedi Council, the series follows a motley group of rebels (all of whom have been affected by the Galactic Empire in one form or the other) that band together aboard a freighter starship called the Ghost. The series will also focus on the origins of some of the groups that form the Rebel Alliance.
Using the life of the Skywalker twins (Luke and Leia) as a measure, the series will be active in the story years that come after their separation as newborns and before their (unwitting) reunion on the prison level of the Death Star.