When the gang goes camping, Piglet is frightened by Tigger's stories and comes up against one of his greatest fears: Heffalumps.

Tigger encourages Christopher Robin to clean his messy room by throwing everything he owns under the bed. This proves troublesome when the gang discovers that the evil Crud and his sneezing minion, Smudge occupy a land beneath the mattress and plan to spread messiness everywhere.

After a calendar mishap leads Rabbit to believe that his birthday has been forgotten, he decides to run away from the Hundred-Acre-Wood, only to found by a secondhand shop owner who puts him up for sale. While the gang tries to find Rabbit, the bunny himself must fend off some thuggish toys who are out to make trouble.