
who don't have MENTAL problems.
The Big Bang Theory Season 9, Episode 10

You need to push your brain out of its
comfort zone and reach MENTAL exhaustion.
The Big Bang Theory Season 10, Episode 22

And with that MENTAL picture,
I think we're done for the evening.
The Big Bang Theory Season 4, Episode 4

I forget, which MENTAL hospital
are you guys registered at?
The Big Bang Theory Season 11, Episode 10

...of arm wrestling with the MENTAL agility
of Tetris into the ultimate sport.
The Big Bang Theory Season 1, Episode 16