Continuity mistake: When Scuttle examines the fork, Ariel's bag suddenly disappears, only to reappear when he blows the pipe.
Continuity mistake: When Flounder gets trapped in the porthole, from the angle outside there are two wooden beams 20 cm away from each side. From inside the ship, the distance has increased to a meter.
Continuity mistake: When the film starts, Ariel sets eyes on a sunken ship with a basement access on the deck, and a broken and skewed door on it. When she swims towards the boat, basement and door are gone.
Continuity mistake: The mast onto which Ariel rests when the film starts, shrinks to a third of its size in the close-ups, plus a rope suddenly appears in front of it.
Continuity mistake: In the chef's kitchen, there's a big recipe book. Its page marker changes styles when Louis is about to chop the fish.
Continuity mistake: A brown pear appears in the fruit bowl on the dinner table.
Continuity mistake: During dinner, the fork that Ariel is about to grab swaps from having a round bottom part, to crafted petals.
Continuity mistake: When Ariel is taking a bath, look behind her - the leaves disappear and the stone fish changes appearance between shots, and the faucet disappears in the second angle.
Continuity mistake: When Ariel makes her dress with a sail and ropes, it looks really poor, with the ropes surrounding her body. When she climbs on the rock, the dress looks perfect, and the ropes are neatly aligned on the top part and waist.
Continuity mistake: Plants suddenly appear on the rock where Ariel climbs while flirting with Eric.
Continuity mistake: Eric walks on the beach with his dog, who sniffles something. Right then, the barren place swaps to having plants everywhere.
Continuity mistake: When Ariel becomes human she climbs on a rock at the beach. The appearance of the rock changes completely between shots.
Continuity mistake: In the pond, when Eric and Ariel are about to kiss, the floating plants disappear in the wide angles, but reappear in the close-ups.
Continuity mistake: When Ursula and Eric are about to marry, everyone is facing the aisle. A frame later, from a different angle, they've turned 45ยบ and face the priest.
Continuity mistake: When Louis dips Sebastian in the bowl, a pot appears on the right, and the jar on the left loses its lid.
Continuity mistake: When the birds fly to attack Ursula and Eric, both them and the priest disappear in the aerial angle.
Continuity mistake: On the pier, when Ariel watches Eric's ship sail away, the flowers around the column are two meters above her head. When the angle changes, they're now just a couple of centimeters above.
Continuity mistake: When Ariel sees a fork for the first time, it is sitting on some wooden planks. When the shot changes, the fork's position, plus the looks of the planks (which now resemble something like a broken chair) are completely different.
Continuity mistake: When Ariel's dad hugs her goodbye, from the angle in front she is above his shoulder and hair, but from the immediate opposite angle she is standing in a lower position, his hair covering her face.
Continuity mistake: When Ariel's father transforms her into human, the sand mound Eric is laying by disappears.
Chosen answer: They are all throughout the film but the biggest one is when Eric is steering the ship to stab or skewer Ursula.
Disney-Freak