
And this is a woman who kept
a safety RAIL on my bed until I was 17.
The Big Bang Theory Season 2, Episode 23

and I don't want
to be a third RAIL.
The Big Bang Theory Season 7, Episode 15

so she climbed
over the safety RAIL
The Big Bang Theory Season 12, Episode 23

have walked to this RAIL,
The Big Bang Theory Season 12, Episode 24