has to be FOUR revolutions per second.
The Big Bang Theory Season 10, Episode 20
Four hours.
Money Heist Season 3, Episode 4
Four keys!
The Big Bang Theory Season 7, Episode 24
All right. Five.
One, two, three, FOUR, five.
The Big Bang Theory Season 3, Episode 7
He's going to pick FOUR volunteers.
Money Heist Season 3, Episode 3