![In 1944, the Pacific Railroad
built number 6131,
In 1944, the Pacific Railroad
built number 6131,](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
In 1944, the Pacific Railroad
built number 6131,
The Big Bang Theory Season 7, Episode 15
![...a hot dog stand in a different
converted railroad dining car.
...a hot dog stand in a different
converted railroad dining car.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
...a hot dog stand in a different
converted RAILROAD dining car.
The Big Bang Theory Season 4, Episode 6
![Well, Sheldon was going on and on
about time zones and railroad schedules,
Well, Sheldon was going on and on
about time zones and railroad schedules,](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Well, Sheldon was going on and on
about time zones and RAILROAD schedules,
The Big Bang Theory Season 9, Episode 16
![down by the railroad tracks. down by the railroad tracks.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
down by the RAILROAD tracks."
Breaking Bad Season 2, Episode 12
![...a hot dog stand
in a converted railroad dining car.
...a hot dog stand
in a converted railroad dining car.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
...a hot dog stand
in a converted RAILROAD dining car.
The Big Bang Theory Season 4, Episode 6