
There's no GUARANTEE our sperm's
going to generate high-IQ offspring.
The Big Bang Theory Season 1, Episode 1

I'll represent him, and I GUARANTEE
Breaking Bad Season 2, Episode 8

No judge can GUARANTEE you
walking free, none.
Money Heist Season 1, Episode 11

And the very fact that you needed
a written GUARANTEE of respect
The Big Bang Theory Season 9, Episode 18

...and I can personally GUARANTEE...
The Big Bang Theory Season 6, Episode 9