Continuity mistake: When Kim and Shego stop chasing Ron back in Drakken's lab Shego is wearing a purple apron, then the camera moves away Shego and Kim then comes back and Shego is not wearing a purple apron, then the camera moves away again and then comes back to her and now she is wearing the apron.
Low Budget - S1-E21
Continuity mistake: When Kim tries to find the Personnel Management room, the door is to the left side of the blue ribbon, but when it shoots to the next scene, it's on the right side.
Continuity mistake: Right after the cheer off, there's a wide shot of Kim and Ron. As Ron is saying, "Uh, yeah about that," he moves into a shadowed area (look at the lockers). It cuts to a close-up as he says his line, and he's still entering the shadowed area.
Continuity mistake: In the episode where the villain is in Smarty Mart (forgive me, I forgot the name of the episode), Wade has a cup beside him. Then he smashes the cup. The shot switches to Kim. The next shot of Wade, the cup is back to normal, and he takes a drink out of it.
Continuity mistake: When Drakken and Shego are watching Kim from a railing at the mall, the colors of Shego's top are switched. The right side of her top is black while the left side is green, her right sleeve is black, and her right glove is green, and her left sleeve is green, and her left glove is black, her right shoulder is green while her left one is black.
Continuity mistake: Shego's neck changes colour throughout the series. It goes from the same colour as her skin to the same colour as her hair.
Continuity mistake: At the end where Mr. Barkin was on the snowboard with Kim and her dad he was wearing a purple robe. When they see the class clapping it turns into his normal ski outfit. Then when the cop is putting D N Amy into his police car it changes back to the purple robe.
Continuity mistake: The phone Kim was talking on was blue, then she hangs up and talks to wade about Dr. Darken. After that she picks up the phone again and it's greyish with some yellow. (00:07:05 - 00:07:40)
Naked Genius - S2-E1
Continuity mistake: After Ron writes the answer to the math problem on the board, writing appears and disappears below his answer between shots.
Continuity mistake: At the end of the episode Kim and Ron stop in front of a door. The door handle is on the left. When Kim opens the door the handle is on the right.
Answer: From technogenius Wade. There's at least one scene in the show where she gets some new gadgets from him.
Kathy Tjarks