Other mistake: When Alice's ship is being chased, she orders her crew heel to port (turn left). Instead, it turns heel to starboard (right).
Alice Through the Looking Glass (2016)
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Directed by: James Bobin
Starring: Johnny Depp, Helena Bonham Carter, Anne Hathaway, Mia Wasikowska
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More mistakes in Alice Through the Looking Glass
Red Queen: Hello, Alice.
Mad Hatter: Aaahhh!
Question: When Alice returned to the real world in the end, why wasn't she taken back to the mental asylum?