Big Bird joined Twitter a few days ago -- and now he's tweeting with his pal Mr. Snuffleupagus in a way that's an adorable joke from "Sesame Street." Big Bird joined Twitter a few days ago -- and ...

In theme with this nature-packed episode, Carlile -- while joined by a letter N cultivated out of plants, joins Big Bird and Mr. Snuffleupagus to sing "Thats Why We Love Nature" about everything ...

Mr. Snuffleupagus reads and reacts to mind-blowing facts about the universe. You can catch Snuffy and all his friends in the new season of Sesame Street on HBO or everyday on HBO Family or PBS Kids.

On November 8, 1971, during the third-season premiere of Sesame Street, Aloysius Snuffleupagus was introduced to the world and proved immediately indispensable: Lacking a watering pot, Big Bird ...