Piglet's Big Movie (2003)

When Piglet feels overlooked by his friends in the Hundred Acre Wood, he wanders off on his own, leading Pooh, Tigger, Rabbit, and Eeyore to search for him. As they recall their fondest memories of Piglet’s kindness and bravery, they realize how much he means to them. Meanwhile, Piglet faces his own challenges, proving that even the smallest of friends can have the biggest heart, and ultimately teaching everyone the value of friendship and appreciation.