
Come on, be SERIOUS.
The Big Bang Theory Season 7, Episode 23

Come on, be SERIOUS.
The Big Bang Theory Season 5, Episode 13

SERIOUS congestive
heart failure,
The Big Bang Theory Season 5, Episode 4

Wait. No, you cannot
be SERIOUS.
Breaking Bad Season 2, Episode 4

and you may be looking for...
a more SERIOUS commitment.
Money Heist Season 1, Episode 1