A Lying Witch and a Warden - S1-E1
Continuity mistake: When Luz hides in a cell at the Conformatorium, the lever for Tiny Nose's cell is up. When Warden Wrath enters, the lever is down, and then he pulls it up again. (00:11:29 - 00:11:57)
The Intruder - S1-E4
Continuity mistake: When Eda changes into her pyjamas, her couch is incorrectly colored green. This is fixed in the next shot. (00:04:30)
Continuity mistake: When Amity almost passes out from anger, she is missing her black nail polish. (00:07:45)
Adventures in the Elements - S1-E12
Character mistake: On the Hexside brochure, Principal Bump is misspelled "Principle Bump." (00:00:03)
Continuity mistake: In early versions of the episode, Luz is shown wearing her Hexside school uniform before she even receives it. This mistake spoils the ending. Fortunately, it was fixed later on. (00:00:01 - 00:00:40)
Really Small Problems - S1-E14
Continuity mistake: When Luz is showing Gus and Willow the removing thumb trick, she uses her pointer finger to cover her thumb. However, when the shot changes to show Gus a Willow's reactions, her pointer finger is up. (00:00:07)
Continuity mistake: At the beginning, Boscha is changing her nails on her right hand. When the shot changes, it's on her left hand. (00:00:08)
Through the Looking Glass Ruins - S2-E5
Continuity mistake: After kissing Luz, Amity rushes back into her house by pushing the door open. In the next shot, the door closes as if it were pulled open. (00:21:43)
Continuity mistake: When King mentions the Gland Prix to Eda, his tail disappears, then reappears. (00:03:33)
Eclipse Lake - S2-E9
Continuity mistake: When Luz attempts to escape her bedroom while sick, Gus backs up into the hallway to avoid her. When the shot changes, Willow is the only one in the hallway, and Gus is back in Luz's bedroom. (00:05:09)
Continuity mistake: Vee jumps out of Luz's bedroom window. In the next scene of Vee landing outside, the window is closed, and there is an extra window beside it. (00:05:41)
Continuity mistake: When Willow leaves after meeting Hunter, she takes her Palisman (whose name is Clover) with her. However, when it switches to a close up of Gus, Clover is leaning up against the Flyer Derby fair stand. When the shot zooms out again, Clover is gone. (00:08:45)
Continuity mistake: When Darius is in his blimp talking to Hunter, he is wearing gloves, but in one shot, he isn't. (00:17:03)
Continuity mistake: After accidentally setting of the Abomination alarm, Amity and Emira run over to see what's happening. However, Amity has her normal hair, when she is supposed have a bun. This is fixed in the next scene. (00:13:18)
Clouds on the Horizon - S2-E20
Continuity mistake: When Eda is talking to Raine on the airship right before receiving the cloaking stone, she is leaning backwards against the railing. In the next shot, she is facing forward and grabbing the railing. (00:12:51)
Clouds on the Horizon - S2-E20
Plot hole: Gus casts an illusion spell on the entire group to make them look like Coven Scouts. When he deactivates the spell, everyone goes back to normal, except for King. (00:16:40)
King's Tide - S2-E21
Continuity mistake: Luz's scar she gets from fighting Belos changes from being above her eyebrow, to on her eyebrow between shots. (00:20:18)