An earthquake causes a high school to float into the sea, where it slowly sinks like a shipwreck.

An adult Christopher Robin, who is now focused on his new life, work, and family, suddenly meets his old friend Winnie the Pooh, who returns to his unforgotten childhood past to help him return to the Hundred Acre Wood and help find Pooh's lost friends.

Growing up can be a bumpy road, and it's no exception for Riley, who is uprooted from her Midwest life when her father starts a new job in San Francisco. Like all of us, Riley is guided by her emotions - Joy, Fear, Anger, Disgust and Sadness. The emotions live in Headquarters, the control center inside Riley's mind, where they help advise her through everyday life. As Riley and her emotions struggle to adjust to a new life in San Francisco, turmoil ensues in Headquarters. Although Joy, Riley's main and most important emotion, tries to keep things positive, the emotions conflict on how best to navigate a new city, house and school.

When the gang from the Hundred Acre Wood begin a honey harvest, young Piglet is excluded and told that he is too small to help. Feeling inferior, Piglet disappears and his pals Eeyore, Rabbit, Tigger, Roo, and Winnie the Pooh must use Piglet's scrapbook as a map to find him. In the process they discover that this very small animal has been a big hero in a lot of ways.