
Was that the IMAGINARY
talking koala?
The Big Bang Theory Season 12, Episode 4

Not to mention IMAGINARY.
The Big Bang Theory Season 1, Episode 1

...while you sit there
hitting your IMAGINARY brake?
The Big Bang Theory Season 3, Episode 7

and then you would say,
"If you must invoke an IMAGINARY deity,
The Big Bang Theory Season 10, Episode 20

Even as a little boy, he'd send his IMAGINARY
friends home at the end of the day.
The Big Bang Theory Season 1, Episode 15