* When the parents talk about moving, the younger kids rig Mike to a rope to spy on them through the laundry chute. When they pull him up, he shouts, "We're gonna move!" The others drop him in shock.
* "You soaked his ''underwear'', in meat. That was wrong. Funny, but ''wrong''."
* When Tom is looking after the kids on his own and trying to talk with Kate on the phone, something hits him in the head. Then he nearly gets hit by a frisbee thrown inside the house. A dart nearly hits him in the foot. He has to hide in the front closet to avoid being hit with silly string by Nigel and Kyle. Then comes the hilarious bit when the boys embed an axe in the door.

!!Literature/CheaperByTheDozen, the book

* A friend sends an ardent member of the birth control movement to the Gilbreths', telling her that Mrs. Gilbreth might be a good candidate for joining. HilarityEnsues.
* The family drives, especially the one in which a woman mistakes the children for orphans and Dad for the superintendent.
* Dad (who had previously scared the children by honking the horn while they were looking in the engine for a non-existent bird) gets scared in like manner by the youngest child while fixing the engine.
-->Nobody noticed Bill. He climbed into the front seat. And then -- ''kadooka, kadooka''.