
...if you would be the FOURTH member
of our "Halo" team.
The Big Bang Theory Season 1, Episode 7

But we're on the FOURTH floor.
The Big Bang Theory Season 12, Episode 5

...I finally arrived at the
Fourth Annual Dixie Trek Convention...
The Big Bang Theory Season 3, Episode 5

Hey, if you guys need a FOURTH, I'll play.
The Big Bang Theory Season 1, Episode 7

...at a Teens for Jesus
Fourth of July hoedown count as a date?
The Big Bang Theory Season 4, Episode 1