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 in her stealth submarine.
Nana comes up with a creative way to get Nina to the bathroom while Nina is in full costume for the school play!
Nina and Nana race through the shopping mall and even zip line over all the shoppers to get Nina to the bathroom on time.
When trying to get to the bathroom on a crowded train proves too hard for Mom and Dad, Nana takes Nina on a high stakes run to get her there!
Nina insists she doesn't have to go to the bathroom until she and Mom are at the top of a ski lift!
Nina is building sand castles and doesn't realize she has to go to the bathroom until she really has to! Mom gets her half way through the crowded beach and Nana rides in on her surfboard.