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)
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: When King mentions the Gland Prix to Eda, his tail disappears, then reappears. (00:03:33)
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)
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)
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)
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)
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)