Mail Mix Up
S1:E28
2008
IMDb
Duck offers to help Kangaroo deliver letters to his WordFriends, but he forgets Kangaroo’s instructions and delivers the wrong letters to everyone. Duck discovers that there sure are a lot of words that end with the sound "ail"—such as NAIL, PAIL and SAIL—and that they sure can’t be used interchangeably! Build A Word: NAIL, SAIL, PAIL