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)
Continuity mistake: While the Agents are reviewing the courthouse security footage, they zoom in on the unsub's license plate number "28K-XK8" on the video feed. Barnes states aloud that it's "28K-XQ8" and Remy asks which employee drives a vehicle with that plate number, then the Courthouse Vehicle Directory shows "28K-XQ8" as the unsub's license plate number. (00:21:25)
Episode #1.3 - S1-E3
Continuity mistake: When Guibanjang finds the chairman's USB drive, in the shot of him pulling it out of the book, he is holding it so that the connector is pointing upwards, but in the next shot, the USB has rotated 180° so that the connector is pointing downwards. (00:47:50)
Continuity mistake: When Jonah confronts Meyer after the death of the surgeon, Meyer's holding a drink in his left hand as he turns to face Jonah. The shot changes angle and the drink is suddenly in his right. (00:48:40)
Visible crew/equipment: When Dani hands the spider back to Miles after he uses it to scare Flora, just after she says "Including me" and the spider moves from Dani's hand to Miles' hand, a red tape marker can be seen on the ground right under Victoria Pedretti's left foot. (00:34:09)