
Six, if you count Klingon.
The Big Bang Theory Season 3, Episode 5

Simple subtraction
will tell you it's SIX better.
The Big Bang Theory Season 2, Episode 8

Next Thursday is officially SIX months
that I've had my learner's.
Breaking Bad Season 3, Episode 11

Thoros has brought me back SIX times.
Game of Thrones Season 7, Episode 6