8. Adam Bender's sports journey - with one leg.
9. Another really good song to fill you with happiness... The Blackeyed Peas "I Gotta Feeling."
And so on this eve of World Parkinson's Day, I'll spot you two more videos... Jimmy Fallon, the Roots, and Sesame Street perform the Sesame Street theme.
The joy of rolling in the mud with a baby elephant!