"Helen Rosenfiddle (Episode)"@en . . . . . . . . "This is the second episode in which Buck shares the screen with another character. And, like the earlier episode that featured two on-screen puppets, Phil Vischer performs both characters shot separately on a green screen."@en . "This is the second episode in which Buck shares the screen with another character. And, like the earlier episode that featured two on-screen puppets, Phil Vischer performs both characters shot separately on a green screen."@en .