
I have a kinda-sorta boyfriend
who's playing with a MODEL train
The Big Bang Theory Season 5, Episode 3

No, I have no interest
in MODEL trains,
The Big Bang Theory Season 5, Episode 3

Super-Asymmetric Model
of the Universe"
The Big Bang Theory Season 12, Episode 9

I'm not, uh, familiar with this MODEL.
How do I make it start?
The Big Bang Theory Season 6, Episode 20

You know, I had a feeling you were using
the wrong computational MODEL,
The Big Bang Theory Season 10, Episode 19