Phineas and Ferb - Season 2 Episode 62
Split Personality

Candace accidentally gets hit by Phineas and Ferbs molecular separator ray which causes her to have two different personalities - Romantic Candace and Busting Candace, so the boys have to figure out a way to put her back together again. Meanwhile, Dr. Doofenshmirtz tries to get over his fear of high diving, but he figures that if he cant, he will just use his "Look-away-inator" to zap everyone so that they do not witness his shame.