
For 10 points. "What is the isospin
singlet PARTNER of the pi-zero meson?"
The Big Bang Theory Season 1, Episode 13

So...if your PARTNER
is the chef,
Breaking Bad Season 4, Episode 8

He's my PARTNER.
Breaking Bad Season 2, Episode 2

Hank had a PARTNER, a businessman
named Gustavo Fring.
Breaking Bad Season 5, Episode 11

I mean, he's my PARTNER.
Breaking Bad Season 2, Episode 12