
...I'm a bit of a self-taught EXPERT.
The Big Bang Theory Season 1, Episode 3

...because you can't conceive of something
that you are not an EXPERT in.
The Big Bang Theory Season 2, Episode 9

And as you’re an EXPERT,
Money Heist Season 1, Episode 8

lonely Russian cosmonaut
who is EXPERT at physics
The Big Bang Theory Season 12, Episode 5

- In which I am not an EXPERT.
- Don't even...
The Big Bang Theory Season 2, Episode 9