"Lawn Gnome Beach Party of Terror" is the second broadcast episode of the animated television series Phineas and Ferb. In it, stepbrothers Phineas and Ferb construct an elaborate beach complex in order to survive the intense heat wave that has struck their city. Meanwhile, the boys' pet platypus, Perry, successfully halts the destruction of all the lawn gnomes in the tri-state area by his nemesis, Dr. Heinz Doofenshmirtz.