For 10 points. "What is the isospin
singlet PARTNER of the pi-zero meson?"
The Big Bang Theory Season 1, Episode 13
I haven't been
a good PARTNER to you,
Breaking Bad Season 2, Episode 4
What, you think
I'd PARTNER with a rat?
Breaking Bad Season 5, Episode 16
Made you a 50-50 PARTNER.
He didn't need to do that.
Breaking Bad Season 5, Episode 12
Yeah, that was for your PARTNER.
It's privileges of seniority and all.
Breaking Bad Season 3, Episode 9