
I'm a horny ENGINEER, Leonard.
The Big Bang Theory Season 2, Episode 20

And, hey, just to be clear,
a train ENGINEER.
The Big Bang Theory Season 10, Episode 15

and he's looking for an
ENGINEER to help maintain
The Big Bang Theory Season 5, Episode 21

Well, look at you.
The little ENGINEER that could.
The Big Bang Theory Season 8, Episode 22

I could also be the ENGINEER who builds
the crossbow that kills Sheldon.
The Big Bang Theory Season 2, Episode 23