S1·E35 The Old SwitcheRoo
Aired February 11, 1989
Synopsis
Roo asks Tigger to keep him from having a bath, and the tiger recruits Piglet to switch places with Roo to trick Kanga. But when Roo and Tigger get excessively dirty, and Kanga pretends that she does not recognize Piglet, everyone realizes that their attempted "switcheroo" has gone too far.