Emma Kate is an adventurous girl with a kind heart and big dreams of becoming an astronaut. She becomes excited when her teacher announces an upcoming Show and Tell Day at school. She wants to bring something extra special for Show and Tell and ponders which cool toy or gadget she should bring. She has collected many cool things from her adventures. Emma Kate encounters obstacles when trying to decide what prized possession she should bring for Show and Tell. Will it be a space rocket from Summer Space Camp? Or a dinosaur bone from the zoo? Or her new shiny trophy she'd won at the pageant?

Emma Kate loves her baby sister dearly, but she also realizes how messy and curious little sisters can be. Emma Kate's Italian dinner with her family and shining star moment at the pageant does not go as planned, with the help of her messy baby sister. To Emma Kate's surprise, she realizes her baby sister is trying to be helpful and wants to be just like her big sister.

After much contemplation, Emma Kate decides to bring her shiny trophy she'd won the night before at the pageant for Show and Tell Day. She makes her entrance in the kitchen shortly before school, all dressed up in her sparkling dress and holding her shiny trophy. After a new twist of events, Emma Kate finds something extra special to bring for Show and Tell Day and cannot wait to show her class.