
I mean, we spent the whole
night trying to be MATURE,
The Big Bang Theory Season 7, Episode 14

Adults in a MATURE relationship.
The Big Bang Theory Season 8, Episode 6

So you want to seem
MATURE and confident.
The Big Bang Theory Season 12, Episode 12

how emotionally MATURE you are,
didn't you?
The Big Bang Theory Season 11, Episode 15

and that stands for
"MATURE audiences," buster.
The Big Bang Theory Season 9, Episode 21