Mine has a fully developed IMMUNE system.
The Big Bang Theory Season 10, Episode 8
Some people are IMMUNE
to good advice.
Breaking Bad Season 5, Episode 11
Ours doesn't need an IMMUNE system
The Big Bang Theory Season 10, Episode 8
but none that are IMMUNE to flattery.
Game of Thrones Season 2, Episode 6
There's this kid in Copenhagen,
he has no IMMUNE system.
The Big Bang Theory Season 1, Episode 16