Continuity mistake: When Merlin and Ginger Ale try to restore Harry's memory, a large exercise ball is under Harry's desk. When the water starts rising, the ball has disappeared.
Kingsman: The Golden Circle (2017)
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Directed by: Matthew Vaughn
Starring: Halle Berry, Channing Tatum, Taron Egerton, Sophie Cookson
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More mistakes in Kingsman: The Golden Circle
Elton John: Now go save the world.
Harry Hart: If I save the world, will you get me two tickets to your next show?
Elton John: If you save the world, I'll get you a backstage pass, baby.
Trivia: Poppy has two robotic dogs called Bennie and Jet, this is after a song by Elton John - Bennie and the Jetts. Elton John is also in the film.
Question: How did Harry know that Agent Whiskey was a rogue agent?
Answer: While nothing is ever presented on screen to show which side he was on, there would be offscreen time to show evidence where Harry might have suspected him.
Answer: Harry probably believed Whiskey told the Golden Circle where they were since none of them were followed. Then there is also that Whiskey shoved the antidote out of Eggsy's hand he started to suspect he did it on purpose.