Continuity: In the scene when Dr. Coleman wakes up in Anna's body, as Lindsey Lohan exits her room her bedroom door is still removed, but a few seconds after she runs out of the room after Harry the door has been re-attached.

Continuity: In the scene where Anna and her Mom are first together in their switched states: "Anna" is trying to wake up "Mom" and on the wall, left to the bed, we see this ugly turtle wall ornament. In all shots subsequent, however, it's disappeared.

Continuity: Once Grandpa takes the underwear off Harry's head and sets it on the counter, it continually moves. Originally it is at the edge, draped over a little bit. Next it moves inward a little. After Mom shuts off the power, it is almost halfway on the counter.

Continuity: Right after Anna and Tess leave House of Chang, Tess' organizer goes off reminding her about a parent/teacher meeting. "Tess" freaks out, and "Anna" puts her hands on "Tess'" face to calm her down. The organizer has disappeared.

Continuity: The way Anna holds the notepad, to show grandpa the message, changes between the shots.

Continuity: The 1st scene where Harry blows a horn in Anna's ear, she chased him out of the room and her blanket was thrown over on the RIGHT SIDE, but if you look close when she goes to close the door the blanket it almost all the way off the bed on the LEFT SIDE

Continuity: When Anna (Tess) is in Anna's room in her robe with her hair up, she is looking for the fortune in Anna's pants pocket. She finds it and drops the paints, but in the next shot they show a close up of the fortune and Anna still has the pants in her hand.