Question: Perry the Platypus stop the destrustion of all of the lawn gnomes in the  " Lawn Gnome Beach Party of Terror" episode of which animated television series
Sentence (from "Lawn Gnome Beach Party of Terror"): 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.
Relevant evidence: Yes