Very big families
Cheaper by the Dozen, Cheaper by the Dozen and Yours, Mine & Ours juggle a dozen children or more.
Twins and swaps
The Parent Trap, It Takes Two and Model Behavior are built on look-alikes trading places.
Dads in charge
Daddy Day Care, The Pacifier, The Game Plan and The Breadwinner hand the household to a surprised father.
The shelf
Open Big families.
