...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,
The Big Bang Theory Season 9, Episode 16
...um, I embarked
on a RAILROAD journey of healing...
The Big Bang Theory Season 8, Episode 1
In 1944, the Pacific Railroad
built number 6131,
The Big Bang Theory Season 7, Episode 15
...a hot dog stand
in a converted RAILROAD dining car.
The Big Bang Theory Season 4, Episode 6