Radio Free Equestria 13 - Oranges and Clouds

While Pinkie Pie was off getting herself trapped forever in a mirror universe, Twilight Sparkle was attempting a difficult spell: turning an apple into an orange. Transformation magic like this seems to be troublesome, so how exactly does it work? Rainbow Dash was trying to discipline a punk cloud. Is there more to clouds than meets the eye? What was the deal with that cloud!?