...if you would be the FOURTH member
of our "Halo" team.
The Big Bang Theory Season 1, Episode 7
I'll be the FOURTH woman ever
to win a Nobel in physics.
The Big Bang Theory Season 12, Episode 19
Dr. Fowler, you would be
only the FOURTH woman
The Big Bang Theory Season 12, Episode 19
...at a Teens for Jesus
Fourth of July hoedown count as a date?
The Big Bang Theory Season 4, Episode 1
second, third, FOURTH.
The Big Bang Theory Season 12, Episode 5