. "The viaduct only appeared in the fourth season episode, Rusty to the Rescue and also in the fourth season song, Don't Judge a Book By Its Cover, and the fifth season song, Night Train."@en . . . . "Standard Gauge and Narrow Gauge Viaduct"@en . . "The viaduct only appeared in the fourth season episode, Rusty to the Rescue and also in the fourth season song, Don't Judge a Book By Its Cover, and the fifth season song, Night Train."@en .