
a fugue state
is a very SERIOUS event.
Breaking Bad Season 2, Episode 3

I'm being SERIOUS.
The Big Bang Theory Season 9, Episode 12

Serious as the hepatitis
The Big Bang Theory Season 12, Episode 17

You can't be SERIOUS.
The Big Bang Theory Season 7, Episode 21

That's awesome.
Serious?
Breaking Bad Season 2, Episode 10