He started America on a path
to the METRIC system but then just gave up.
The Big Bang Theory Season 4, Episode 7
One-point-two million
METRIC tons a month...
Breaking Bad Season 5, Episode 8
That Americans can't handle
the METRIC system?
The Big Bang Theory Season 7, Episode 10
That Americans can't handle
the METRIC system?
The Big Bang Theory Season 7, Episode 6
To the METRIC system.
The Big Bang Theory Season 4, Episode 7