sentences:  A popular locally produced children's television show, "Happy Herb & Froggy Doo," features magician Happy Herb (Henry Winkler) and his wisecracking marionette sidekick, Froggy Doo.Froggy Doo is stolen and held for ransom, and the Federal Bureau of Investigation (FBI) is called in to investigate.Elliott Plumm (Chris Massoglia) used to watch the show, but now feels he is too grown up to do so any longer.