Find the "X" is a song on The Book of Pooh Fun with Words. It was on the episode X Spots the Mark. It first premiered spring 2001. It is 11 years old! Pooh, Piglet, Rabbit, and Tigger go on a expedition for Mr. Owl's treasure. Owl's great uncle Wordo buried it there. Pooh and his friends find the treasure at the end of the episode. They sing a cheerful song to help them find the X.
Here is a quote from find the X "And dotting every I! Over every mountain and under every tree "