|Elf Joke Day|
|Season 1, Episode 16|
|Air date||September 17th 2009|
King Thistle's New Clothes
Elf Joke Day is the 16th episode of the 1st season of Ben & Holly's Little Kingdom.
Nanny Plum is not amused when Holly and Ben help the Wise Old Elf play a trick on her for Elf Joke Day.