
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