
Sheldon tried to take the RING
and I punched him.
The Big Bang Theory Season 3, Episode 17

...RING.
The Big Bang Theory Season 6, Episode 20

And that RING
The Big Bang Theory Season 7, Episode 20

Let her go. And under no circumstance
will you give her that engagement RING.
The Big Bang Theory Season 9, Episode 14

Last one holding the RING
decides its fate.
The Big Bang Theory Season 3, Episode 17