Continuity mistake: When Barry exits the bar with Aquaman, he grabs the flask with his left hand. A shot later, it's in his right hand.
Continuity mistake: At Young Barry's apartment, when the group talks about BTTF, Patty scratches her chest, but from a new angle, her arm is extended.
Continuity mistake: After Young Barry removes the underwear off Old Barry's head, his hair is pointing upwards. A shot later, it's brushed.
Continuity mistake: In Siberia, Batman kicks and knocks out a guard against a column. The position of his body and legs differ between the close-up and the aerial angle a shot later.
Continuity mistake: A sniper pops out of the hatch in the truck right when Batman knocks him, which makes him fall backwards. A shot later, the sniper is suddenly upright again.
Audio problem: When Bruce chases the truck, either his voice doesn't match his mouth movements, or his mouth doesn't move at all.
Continuity mistake: After the guys are spotted in Siberia, the amount of snow under the shovel suddenly increases between shots.
Continuity mistake: When the guys arrive in Siberia, Flash knocks down a shovel which faces downwards. A shot later it's facing upwards.
Continuity mistake: When Old-Barry is reading Bruce Wayne's memo, the handle of the mug points in a 12 o'clock direction. In the aerial angle, it points in a 3 o'clock direction. (01:13:00)
Continuity mistake: The spider-web hanging from Batman's right side desk lamp, where Old-Barry types, disappears and reappears randomly between shots.
Continuity mistake: During the fight in the desert, after Flash creates a tornado, the background behind Flash-original-suit changes: the corpses lying on the ground change number and position, and several tanks suddenly appear everywhere.
Continuity mistake: When Zod stabs Kara, she collapses, her cape lying sideways. Watch before she lowers her leg, and you'll notice there's no cape underneath her. A shot later, the cape lies under her body, down along her legs.
Continuity mistake: When Flash-2 finds Kara semi-dead, her head is pointing upwards. A shot later, it's facing sideways.
Continuity mistake: When Zod's ship leaves with Kara unconscious on the floor, there's a strand of hair over her forehead. When Flash-2 arrives, it's gone.
Continuity mistake: When Bruce serves spaghetti, the cutlery next to him changes positions between shots all the time.
Continuity mistake: After Bruce crashes against a table filled with boxes and food, he is covered in boxes. A shot later, when he tries to stand up, he is on top of the boxes and the way the food is scattered is completely different.
Continuity mistake: Bruce uses both hands to pour spaghetti, but a shot later he is just using one, and now his left hand is resting on the table.
Continuity mistake: Bruce extends his arm and offers a spoonful of sauce to Barry. A second and a half later, his hand is empty, and we later find out that the spoon is inside the frying pan. Way too fast.
Continuity mistake: When Bruce explains time travel, the salt/pepper mills keep changing positions between shots.
Continuity mistake: Bruce puts the spaghetti on the mat to explain time travel in a 12 o'clock position. A shot later it's in a 9 o'clock position.
