Visible crew/equipment: When Lois gets in the car after she gets offended by the fact that everyone in the family forgot her birthday, you can see a cameraman with the camera reflected on the rear window when she leaves. (00:10:15)
Dinner Out - S2-E4
Visible crew/equipment: Towards the end when Stevie punches Reese for the first time, his wheelchair swings back and a crew member holds and steadies it.
Visible crew/equipment: Towards the end, right after they watch the house blow up, you can see a hand holding a black object popping up from the right side of the screen. This happens right before Malcolm says, "Pretty sure".
Reese Cooks - S2-E18
Visible crew/equipment: When Eric comes in to check on Francis, some crew members can be seen on the far left side of the screen. (00:13:45)
Visible crew/equipment: When Reese throws the sheet off the bed a hand can be seen in the bottom right corner. (00:12:40)
Answer: It is made up - although it is implied she is Croatian, she never mentions it herself.