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Continuity mistake: At the Russian lab, Flash stops a bullet from hitting Barry by tilting his head to our right. A shot later, not only is his head not tilted, but Flash's right hand swaps from resting on Barry's shoulder to grabbing his arm. Also, when the bullet flies by, Flash's left hand is suddenly lowered.

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Continuity mistake: During the post-credits scene, after Arthur falls on the puddle, there's a leaf on the pavement in front. When he turns around begging for beer, the leaf disappears, only to reappear a shot later.

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Continuity mistake: The Flash arrives at the past and sees his mom holding a glass of wine with her right hand. An instant cut later, she holds it with her left hand.

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Continuity mistake: Barry is ordering at the café, and a man with a beard and a man bun walks behind him. An instant cut later, he's already on the other end of the counter. Too fast. Also, the people standing or sitting behind the counter are not continuous between shots.

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Continuity mistake: When Young Flash agonises, he is handed a teddy bear whose face is visible. An instant cut later, the teddy bear has turned around. Then, yet a shot later, it's turned again and you can now see his face.

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Continuity mistake: When Young Flash is dying, Old holds him in his arms, both bodies next to each other. After Dark Flash vanishes, from the opposite shot of Old Flash he is not holding anyone, just mimicking as if he were. You can see through the gap between his arm and body. A shot later Young Flash reappears.

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Continuity mistake: When Old Barry shows Young Barry how the ring works, his grip changes between shots, with his thumb covering the hole or not.

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Continuity mistake: The way Young Barry holds the broccoli when feeding Old Barry changes between instant cuts.

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Continuity mistake: Young Barry grabs the peanut butter and a spoon. Shot changes and now he has a broccoli in his hand, and the spoon is nowhere to be seen. After Old Barry eats the broccoli, we don't see Young's hand for a mere two seconds, and now the broccoli has vanished, and he holds the spoon instead.

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Continuity mistake: When Young Barry dies, Old's hand and arm are covered in blood. Old stands up and suits up, and now his hand and arm are clean.

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Continuity mistake: When Old Barry faces Dark Flash, Young Barry stands on the left side of the screen. Old Barry then turns to the right and cries, "Get out of here, Barry." But he's facing the wrong way.

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Continuity mistake: When Old Barry is about to fight Dark Flash, Young Barry suddenly appears and Old Barry turns his head to our left and stares at him. However, a mere frame later, he is facing ahead. If you watch closely, his head is turning the opposite way, from right to left. (02:01:13)

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Audio problem: When the world is collapsing, Dark Flash says, "I pushed you out of the chronobowl," but his mouth is not moving.

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Continuity mistake: During the Gotham chase, a group of kids get off the school bus, cross the street, and stand in the middle of the road. When Batman launches the puncture spikes, they get off the bus again.

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Continuity mistake: When Kara flies upwards holding Barry, she turns her head towards him. From a side angle, her hair is motionless despite the wind and speed. The angle changes to a front shot, and now her hair flutters wildly. (01:36:13)

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Continuity mistake: During the trial, after the lawyer proves Barry's father's innocence, the way father and son grab hands changes between shots.

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Continuity mistake: Flash arrives in the past and lands next to the kerb, where he leans on to help him stand up. A shot later, he is several metres away, near the middle of the road.

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Continuity mistake: When Flash sees his mum shopping, she is holding a cereal box. From the angle shot from behind, the box is gone.

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Continuity mistake: Young Barry is lying half a metre away from the wall. A shot later he is 3 metres away. (00:45:10)

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Continuity mistake: Old Barry replies to his dad that "school is good, school is great," and gestures raising his right hand. From a side shot, it's lowered. Then back to a front shot, and he is lowering his hand.

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