Race riots?
The Big Bang Theory Season 3, Episode 12
No, I haven't played the RACE card yet.
The Big Bang Theory Season 10, Episode 24
...the lowest classes of the human RACE
have spent their lives laboring...
The Big Bang Theory Season 3, Episode 14
Five minutes later,
he's back in the RACE.
Game of Thrones Season 7, Episode 5
Because if all guys were like me,
the human RACE couldn't survive.
The Big Bang Theory Season 1, Episode 6