Snapped: Killer Couples (2013)

S2E53 Phineas and Ferb Hawaiian Vacation (1)

The Flynn-Fletcher family heads off to Hawaii for a vacation. While enjoying their time, Phineas and Ferb decide to create some living sea creatures, while Candace stumbles upon a lava necklace that brings bad luck. At the same time, Doofenshmirtz invents a De-Evolution-inator, but things take a turn when he and Perry find themselves stranded on a deserted island.