Continuity mistake: When the Polaroid photo is shown of Betty and Walter with his boss and his wife, Betty's hands are behind Walter and the boss's wife's back. When it was taken, her left arm was out and her hand was on her own leg.
Ugly Berry - S3-E6
Continuity mistake: Kimmy Keegan gets new Mode business cards and asks Betty what her cards say. Betty says she doesn't have business cards. But in 1-4, "Fey's Sleigh Ride" Betty is given business cards and hands them out at a bar.
Continuity mistake: When Mark is unwrapping Wilhelmina's gift from Ted, the red ribbon appears and disappears as the camera angle changes.
The Lyin', the Watch and the Wardrobe - S1-E5
Continuity mistake: Betty's antennae on her butterfly costume change their position several times from shot to shot.
Continuity mistake: The amount of snow on Betty's head after Henry Bumps into her varies from shot to shot.
Continuity mistake: When Daniel puts the music box on the sleigh, he puts it on facing straight to the front of the sleigh, when the shot changes it is on an angle.
Continuity mistake: At Bradford's funeral, Daniel is surprised to learn about the family plot. But in season 1 episode 23 Daniel tells Alexis that he visited Alex's grave every Sunday.
The Butterfly Effect: Part 2 - S4-E2
Continuity mistake: When Helen is seated at the reception desk she has the phone's headset in her left ear, but in the next shot as Amanda sits down on the desk the headset is gone, then it's back in Helen's ear. (00:17:55)
Continuity mistake: At the baseball game, when Matt holds out his keycard for Betty the keycard's magnetic stripe is at the top, but it switches to the bottom, then it's back at the top. (00:23:05)
Continuity mistake: When Dan finally finds DJ under the boardwalk, DJ pulls his hair back behind his ears. After multiple shots his hair is in front and behind his ears.
