Christopher and the Magical Mystery Cure

In the Season 3 Finale,Christopher and the TOTLOC found out that all of Twilight's friends were switched their cutie marks! So,Christopher has to transform back to normal and when Christopher,Pooh,Caroline and Twilight writes a message,Twilight,Pooh,Christopher and Caroline are transported to a mysterious world!
Quotes
Christopher:(Sings Good Morning U.S.A.)