Didn't I explain to you
about your little MISTAKE in the cafeteria?
The Big Bang Theory Season 2, Episode 3
This is a MISTAKE.
Game of Thrones Season 8, Episode 4
A MISTAKE involving Penny.
The Big Bang Theory Season 1, Episode 17
...and I made a teeny-tiny MISTAKE
on the specifications for the diverter valve.
The Big Bang Theory Season 2, Episode 22
I made a huge MISTAKE.
The Big Bang Theory Season 10, Episode 21