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

Howard, this is big science.
You could be the ENGINEER...
The Big Bang Theory Season 2, Episode 23

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

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

How many times has he made fun
of Howard for being an ENGINEER?
The Big Bang Theory Season 12, Episode 6