I'm plagued by an INTERNAL struggle.
The Big Bang Theory Season 8, Episode 6
According to the head of INTERNAL medicine
Money Heist Season 1, Episode 5
(SIGHS) Can it be more of
an INTERNAL struggle?
The Big Bang Theory Season 10, Episode 7
The Internal Revenue Service
would strongly disagree.
The Big Bang Theory Season 2, Episode 18
No, he cut open a tauntaun and used
its INTERNAL body heat to warm him up.
The Big Bang Theory Season 2, Episode 23