
I'm plagued by an INTERNAL struggle.
The Big Bang Theory Season 8, Episode 6

...and the result
was an INTERNAL blitzkrieg...
The Big Bang Theory Season 1, Episode 11

The Internal Revenue Service
would strongly disagree.
The Big Bang Theory Season 2, Episode 18

a record of the INTERNAL process
of their cognition.
Westworld Season 2, Episode 9

It’ll be the INTERNAL medicine doctor,
won’t it? I don’t know.
Money Heist Season 1, Episode 13