Pinkie Pie's alter ego is a mad scientist. Who'da thunk it?

SOURCES:

0:00 & 0:55 - In the Hall of the Mountain King by Edvard Grieg
0:32 - Doctor Who Theme by Murray Gold
1:01 - Never Scared Remix by Bone Crusher (Samples)

My Little Pony: Friendship Is Magic Season 2, Episode 4
Star Wars Episode IV: A New Hope (0:26)
Doctor Who Season 7 Opening Titles (0:32 & 0:55)
I Broke Surgeon Simulator 2013 by BirgirPall (0:46)