Continuity mistake: In the juice cafe scene where Cleo and Emma dig up dirt on Charlotte, they turn around when Charlotte and Lewis arrive. Cleo's pigtails change positions. (00:12:19)
Continuity mistake: When Cleo walks away from Nate who tries to impress her with his guitar, her facial expression changes between shots. First she has a fake smile but in the next shot she's disgusted. (00:01:20)
Continuity mistake: After dropping Charlotte's diary, the close-up shows that Cleo picks it up with both hands. When she stands up, she's holding the diary with just her right hand. (00:14:30)
Continuity mistake: When Lewis first tells the girls about his formula that would make them waterproof, Cleo looks at the girls. In the next shot she's looking at Lewis. (00:04:59)
Continuity mistake: When Zane tells Don about the creature that saved his life, at one point Zane's hands change position. Sometimes it's held up to his mouth and sometimes it isn't. (00:03:33)
Continuity mistake: When the girls try to jump across the rock formation which is the entrance to the moon pool cave, Cleo can be seen turned around in one shot but not in the other. (00:07:40)
Continuity mistake: When the gang are at the juice bar near the end of the episode, Cleo is holding her glass in one shot but not in the next. (00:19:28)
Continuity mistake: When Cleo tells the girls that she believes her dad is illegally fishing for sea turtles, she sits down and puts her hand to her cheek. In the wide shot, her hand is closed. In the close-up, her hand is open. (00:11:07)
Continuity mistake: When Zane tricks Cleo into getting into his zodiac and then setting it adrift, Cleo's pigtail changes position between cuts. (00:02:07)
Continuity mistake: When Don asks his daughters for clothing advice, Cleo's pose changes between shots. (00:01:00)
Continuity mistake: When everyone except Cleo helps with the cooking, her pose changes between cuts. (00:12:48)
In Too Deep - S1-E23
Continuity mistake: When Ms. Chatham is at Emma's house, she puts her hand on Cleo's arm. It's not there in the next shot. (00:10:35)
Moon Spell - S1-E7
Continuity mistake: At the start of the episode, Emma instructs Elliott how to arrange balloons. In the initial shot, Emma is holding a pen in her right hand. In the next shot, she's holding it in her left hand. (00:00:57)
Pool Party - S1-E2
Continuity mistake: When Rikki and Lewis talk alone for the first time, Rikki is reading a magazine. It is far from her in the wide shots but close to her in the close-ups. (00:12:40)
Pool Party - S1-E2
Continuity mistake: When the girls discuss whether they should or should not go to the party, Cleo's hands are together in the close-up but not in the wide shot. (00:06:10)
Continuity mistake: When Rikki decides to go after the illegal fish seller, her hair braids change position between cuts. (00:14:04)
Continuity mistake: During Dr. Denman's first appearance, Cleo's facial expressions changes when it goes to close-up. (00:03:13)
Continuity mistake: When Harrison is escorting the Chan family, the husband and wife are holding each other by the waist. They're not holding each other in the next shot. (00:10:34)
Continuity mistake: When Cleo mistakenly believes that Lewis and Charlotte are talking about her behind her back, her hair braids change position between cuts. (00:13:22)
Continuity mistake: The scene where Dr. Denman captures the mermaids and they fight back with their powers. Emma's facial expressions changes between cuts. (00:07:15)
Suggested correction: Ms. Chatham's hand is barely visible in the next shot but it's there.
The fact that it's barely visible (as seen in the screenshot) confirms the mistake. It's on her arm and then it's not on it, she's just barely touching.
Bishop73