SEASON 4 • EPISODE 15
Phineas and Ferb
"Phineas and Ferb's Musical Cliptastic Countdown Hosted by Kelly Osbourne"
Date Aired: Jun 28, 2013 (United States)
Kelly Osbourne is brought in to reveal the top 10 musical numbers, much to the dismay of Doofenshmirtz and Major Monogram.