"Kanga And Baby Roo Come To The Forest, And Piglet Has A Bath" tells the story of Kanga and Roo's arrival in the Hundred Acre Wood and Rabbit's plan to kidnap Roo to scare Kanga away. Piglet replaces Roo in Kanga's pouch, leading to a series of humorous misunderstandings. Kanga realizes the switch but plays along, giving Piglet a bath and medicine. Christopher Robin eventually reveals the truth, and Piglet escapes, returning to his normal color. The story emphasizes themes of friendship, acceptance, and the humor in miscommunication.