
"The super-asymmetric MODEL
The Big Bang Theory Season 12, Episode 9

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

And with all these new skills,
you'd be able to fix any MODEL train.
The Big Bang Theory Season 10, Episode 15

It's an observational rebuttal
of the Lambda-CDM MODEL of the universe.
The Big Bang Theory Season 6, Episode 4

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