
...when someone takes on
a new romantic PARTNER...
The Big Bang Theory Season 8, Episode 4

That my drug-addicted PARTNER
doesn't seem to care whether
he lives or dies?
Breaking Bad Season 4, Episode 4

You're his PARTNER now--
Whoa, stop.
Breaking Bad Season 5, Episode 16

I wanna talk to you about
your PARTNER, Heisenberg.
Breaking Bad Season 5, Episode 11

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