We have the list of the upcoming episodes on Star Wars Rebels and their airing dates!
S02E04 (The Siege of Lothal counted as 2 episodes so The Lost Commanders was the third episode) ‘Relics of the Old Republic’ – October 21st
Synopsis: While Ezra and the others are starting to form a friendship with the old Clone Troopers, Kanan still can’t bring himself to trust them. But when the Empire discovers the clones’ alliance with the Rebels, they all have to start working together
S02E05 Always Two They Are – October 28
Synopsis: While searching for supplies for the fleet, Ezra, Sabine, Zeb, and Chopper are going on a daring mission to an abandoned medistation. But when two Inquisitors sent by Darth Vader are endangering Sabine and Ezra, Zeb and Chopper have to find a way to save them.
S02E06 Brothers of the Broken Horn – November 4th
S02E07 Wings of the Master – November 11th
S02E08 Blood Sisters – November 18th
So far it seems there will be no breaks, though according to wikipedia there will be a two-week break early November so we will see but according to TV listings there will be no breaks.