"Quick! Peridot! You gotta turn into a car!"
"What?! But I'm the only gem who can't-"
"A long time ago, I went to Rose's Sacred Tower of Gem Magic Power Reser- burp Resurrection Stuff-or-Whatever, and took the ancient this of the mystical that, and then put it, I-I-I put it into you, while you were, while-while you were burp talking: while you were normal talking: SLEEPING, Peridot!"
"Oh my stars!"
"Concentrate, Peridot! Concentrate and turn into a car, Peri!"
"ERRRRRR…"
"Never mind, Amethyst beat you to it, get in, it's fine."

Evolution of Pearl: