The Little Mermaid (1989)

Continuity mistake: When Ursula's wedding ship sets sail, pink and blue pennants suddenly appear on the pier's columns.

Sacha

Continuity mistake: When Scuttle watches human-Ariel wearing a sail for a dress, the rope, seaweed and plank in front changes for something else (looks like iron on wood or something).

Sacha

Continuity mistake: After Scuttle takes the fork to his feathers his feathers are all puffy but then a few frames later they are suddenly back to normal without him doing anything.

Continuity mistake: When Scuttle arrives to the dock to tell Ariel about Ursula's plan, a bunch of flowers laying on the wooden planks behind appear/disappear randomly between shots.

Sacha

Continuity mistake: When Eric's boat leaves with Ursula in, there are ribbons and a long piece of fabric decorating the side of the boat by the 2 portholes, which disappear in later shots.

Sacha

Continuity mistake: After becoming human, Ariel swims and rest on a floating rock amidst the sea. A frame later she is laying on a rocky wall by the shore.

Sacha

Continuity mistake: When Grimsby is presenting the statue of Eric, the huge ribbon around it disappears between shots.

Sacha

Continuity mistake: When the storm breaks, the ship's look-out appears/ disappears randomly between shots.

Sacha

Continuity mistake: When Ariel is peeping on the boat, Max licks her face and you can see that the rope next to the window disappears behind a beam. After Eric sees his statue, the rope is now really long and is laying on the deck, forming a big circle.

Sacha

Continuity mistake: When the movie starts, the big lamp is lit, yet when Triton arrives to light it with his magic trident, it suddenly appears unlit.

Sacha

Continuity mistake: When Scuttle peeps on the porthole and discovers Ursula, the design of the porthole changes style between the first and last shot.

Sacha

Continuity mistake: When Ursula and Eric's boat sails away, people suddenly appear on the left side of the boat.

Sacha

Continuity mistake: When Grimsby discovers his crab is gone, little footprints have magically appeared on the table.

Sacha

Continuity mistake: When Ariel refuses the eels' help, before they toss the face of the statue, she lowers her head and cries. A frame later the head is tilted to the right.

Sacha

Continuity mistake: When the song 'Under the sea' begins, Ariel is sitting on a rock. The amount of purple flowers on the sides, specially on the right side, change drastically between shots: They appear, disappear, reappear, change flowers, then to algae.

Sacha

Continuity mistake: When Ariel first sees the fireworks, they are coming from the boat, but when the angle changes and the boat has moved along, they are being fired from the same spot, though now it's set in the middle of the sea, which is absurd. Some animator screwed it badly.

Sacha

Continuity mistake: When Sebastian escapes from the dip, the sauce has a white colour. When he throws the bowl over Louis' head it's changed to brown colour.

Sacha

Continuity mistake: After the shipwreck, when Ariel sings, moss suddenly appears on the rock right below her hands.

Sacha

Continuity mistake: Eric's ship sails swap from plain to striped when the storm breaks.

Sacha

Continuity mistake: When we first meet Max, his front paws swap from white in the front angle, to grey in the angle shot from behind.

Sacha