
Unless they feel sad, then it's different.
The Big Bang Theory Season 10, Episode 4

Unless you want to enlighten us
with a riskless proposition.
Money Heist Season 3, Episode 7

I can't, not UNLESS the master says.
Game of Thrones Season 5, Episode 8

Unless they develop technology
to fuse my skeleton...
The Big Bang Theory Season 2, Episode 14

Unless I give you Walt.
Breaking Bad Season 5, Episode 15