Snapped: Killer Couples (2013)

S4E28 Cheers for Fears

Title: Cheers for Fears Plot: Facing a creative block for Jeremy's birthday gift, Candace hesitantly turns to Phineas and Ferb for assistance in crafting the perfect surprise. Simultaneously, Doofenshmirtz devises his Worst-Fear-Inator to manifest people's phobias, but his scheme takes an unexpected turn when he ends up confronting his own deepest fears instead.