First I've heard of it too.
Then all TV births are incorrect, which falls into the category of Mistakes/Goofs/ErrorsThat's not a goof, that's called TV births lol, every TV birth is like that.
Baby (Part 2 of 2)
When Lois is giving a birth, once the baby is delivered, it's totally clean. Just born children are always covered with blood all over them. Maybe they couldn't show it like that so it isn't too drastic or something but even though showing it perfectly clean is a goof.
This is because they used the exact same shot twice.When the family have got back in the car Malcolm says something like "who would have thought a traffic jam could be so cool, we should do this again". Well near the end of the sentence we can see Malcolm's mouth and it isn't moving.
I can't remember the exact ep name or if this has already been mentioned, but in the cold open where Malcolm and Reese are playing keep-away from Dewey, there's a couple of shots where you can see a boom and what I believe is a boxy light-shield thingy for the camera in the left side of the frame.
No they don't. They are on his head the whole time. You can see the light glint off them a couple of times before he sits down.When Hal goes into the boys' bedroom to talk to Dewey, he is not wearing his glasses. But as he sits down to read Dewey a story, the glasses magically appear on his head seconds before he reaches to get them