Star Wars: Rebels' dramatic finale has just been subtly rewritten by Timothy Zahn's Star Wars novel Thrawn Ascendancy: Lesser Evil — setting up a very different fate for Grand Admiral Thrawn and Jedi Padawan Ezra Bridger. The dramatic Star Wars Rebels season 4 finale saw Ezra outsmart the Chiss Grand Admiral, using the Purrgils (AKA Space Whales) to wreck Thrawn's fleet.
The Purrgils jumped into hyperspace, taking Thrawn's flagship with them — with Ezra aboard. Lothal was freed from the Empire,
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