In the Name of the Rebellion: Part 2 - S4-E4
Other mistake: When Saw contacts his lieutenant Edrio for a pickup after wiring the giant kyber crystal to the hyperdrive, he tells him to dock at the hatch by the starboard engines. Later, when Edrio does arrive, he docks at a hatch on the left, or port, side of the ship. Starboard refers to the right side of a ship.
Other mistake: In this episode, Hera's ears are shown for the first time thanks to her civilian disguise. As for all Twi'lek women, they're shaped like cones. However, they are too large to fit under the ear coverings of the pilot's cap she usually wears, when they've been shown on the few occasions she hasn't been wearing goggles or a pilot's visor.
Continuity mistake: After Hera rescues Mart from a trio of stormtroopers with a troop transport, one of the troopers gets up again, only to be knocked out by Chopper. The trooper that gets up, however, is the one that we just saw Mart shoot in the chest moments before, and who really ought to be dead.
Answer: Ezra rescued Ahsoka by pulling her through a portal into the World Between Worlds, but it looked like Vader was about to kill her when Ezra intervened.
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