Nina tries to get to the bathroom on a crowded train.

Nina insists she doesn't have to go until she and Mum are at the top of a ski lift.

Nina and Nana race through the shopping mall.

Nina is in full costume for the school play.

Nina's brother Frank does his best to get Nina to the loo at the water park, but it's Nana who comes to the rescue.

Nina is building sand castles and doesn't realise she has to go to the bathroom until she really has to.

When a traffic jam prevents the family from getting Nina to a bathroom, Nana and Nina take off on a scooter.

Dad takes Nina to the hardware store and all those bathroom displays make Nina have to go.

Dad's map isn't much of help finding a bathroom at the zoo, but Nana and some animal friends make sure Nina gets there on time.

Nina doesn't want to pee in the woods, even if she is on a camping trip.