Continuity mistake: When David exits the helicopter, the right leg of his pants swaps from soaking wet to dry.
Continuity mistake: After smashing his robot, David is comforted by Hobby, who extends his left arm. When the angle changes, he repeats the previous movement.
Continuity mistake: David's father is leaning on the table, yet before David melts while eating spinach, his father disappears from the table.
Continuity mistake: In the forest, the mother says, "Only with the Meca you'll be safe", then David's hand swaps from grabbing her arm to her shoulder.
Continuity mistake: After smashing his robot, David stares at Hobby. David's jacket is closed, yet a frame later it's wide open.
Continuity mistake: During the snow, the shattered body of the Fairy disappears in the aerial shot, yet reappears in the next immediate shot.
Continuity mistake: When David kills his robot, its position on the floor plus the mess around changes between shots.
Continuity mistake: When David resurrects his mother, he moves her hair away from the left side of her face. In the next shot, her hairstyle is completely different.
Continuity mistake: During the spinach competition, on the angle from behind, David is swallowing really fast, but a frame later - from the front angle - his mouth is still and he opens it to show the food. Furthermore, a frame after this his head is down.
Continuity mistake: When Martin opens his mouth to show he's swallowed all the spinach, from David's point of view the bowl is dirty on the side, but swaps to clean on the next shot from the same point of view.
Continuity mistake: After Teddy runs away, Martin touches David's face with his right hand, but a frame later he's doing it with the left one.
Continuity mistake: When David and Martin call Teddy, the bear has both arms up. A frame later they're down.
Continuity mistake: While with Martin and David, Teddy runs crying "Mommy" and lands on a cushion, his feet outside the cushion. A frame later all of his body is resting on the cushion.
Continuity mistake: When he's saying goodbye to Joe, David's hair is alternately dry/wet and swaps styles between shots.
Continuity mistake: Before David gets stabbed in the pool, the hair of the guy with knife is messy, but during the stabbing it's brushed.
Visible crew/equipment: When David drinks from the empty glass, two huge lighting screens get reflected.
Continuity mistake: When David talks to the Fair, from the angle behind, he is standing parallel to her, from the front angle he is standing sideways.
Continuity mistake: After Prof. Hobby leaves his glasses on the desk to stab a student's hand, the glasses turn 180ยบ around.
Continuity mistake: When David finds himself, David II's seat swaps from facing a 5 o'clock to a 7 o'clock direction back and forth depending on the angle.
Continuity mistake: When David exits the helicopter, the snow on the windshield disappears.
Chosen answer: Darlene.