(ENGINE STARTS ON SIMULATOR)
The Big Bang Theory Season 2, Episode 5
Typically that's an indicator to,
you know, check your ENGINE.
The Big Bang Theory Season 2, Episode 5
to stroll down memory lane:
Penny, your check ENGINE...
The Big Bang Theory Season 7, Episode 17
On the first day,
I get to drive a steam ENGINE.
The Big Bang Theory Season 10, Episode 15
Your "check ENGINE" light is on.
The Big Bang Theory Season 3, Episode 11