The girlfriend's buying clothes for you, huh?
Sounds SERIOUS.
The Big Bang Theory Season 2, Episode 10
Leonard, are we having
a SERIOUS conversation or not?
The Big Bang Theory Season 3, Episode 13
Serious as the hepatitis
The Big Bang Theory Season 12, Episode 17
SERIOUS congestive
heart failure,
The Big Bang Theory Season 5, Episode 4
No, I'm SERIOUS.
Game of Thrones Season 1, Episode 7