![because the part of his brain
that should know
because the part of his brain
that should know](https://content2.mcqstudy.com/ss/tbbt-5-21-00:12:40.553.jpeg)
because the part of his BRAIN
that should know
The Big Bang Theory Season 5, Episode 21
![All right! All right!
I'll shake the brain bush
All right! All right!
I'll shake the brain bush](https://content2.mcqstudy.com/ss/tbbt-7-21-00:02:37.678.jpeg)
All right! All right!
I'll shake the BRAIN bush
The Big Bang Theory Season 7, Episode 21
![♪ Sheldon and
his brain-- yeah! ♪
♪ Sheldon and
his brain-- yeah! ♪](https://content2.mcqstudy.com/ss/tbbt-7-6-00:04:01.529.jpeg)
♪ Sheldon and
his BRAIN-- yeah! ♪
The Big Bang Theory Season 7, Episode 6
![without getting
brain freeze.
without getting
brain freeze.](https://content2.mcqstudy.com/ss/tbbt-7-13-00:16:59.316.jpeg)
without getting
BRAIN freeze.
The Big Bang Theory Season 7, Episode 13
![♪ Sheldon and his brain, yeah
♪ Sheldon and his brain, yeah](https://content2.mcqstudy.com/ss/tbbt-7-10-00:00:16.545.jpeg)
♪ Sheldon and his BRAIN, yeah
The Big Bang Theory Season 7, Episode 10