It's not a CHAMPAGNE cork.
The Big Bang Theory Season 11, Episode 16
I have a bottle
of CHAMPAGNE for you.
The Big Bang Theory Season 12, Episode 12
With a bottle of CHAMPAGNE?
The Big Bang Theory Season 12, Episode 8
A bottle of CHAMPAGNE
and three glasses.
The Big Bang Theory Season 6, Episode 1
Here's some CHAMPAGNE.
The Big Bang Theory Season 9, Episode 13