Think about it with your BRAIN,
and then say it with your mouth.
The Big Bang Theory Season 12, Episode 7
...to measure your BRAIN waves
while potty training.
The Big Bang Theory Season 2, Episode 15
And a pal l just did a favor for,
so let me pick your BRAIN a sec.
Breaking Bad Season 4, Episode 3
But that whole right BRAIN, left BRAIN.
You want those in balance.
Breaking Bad Season 4, Episode 3
Oh, relax. She took Sheldon to the hospital
to get a BRAIN scan.
The Big Bang Theory Season 2, Episode 15