"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