Diet Coke.
The Big Bang Theory Season 1, Episode 13
How hard is 65% Coke,
35% Diet Coke?
The Big Bang Theory Season 12, Episode 23
...while Howard threw up
Red Vines and cherry Coke.
The Big Bang Theory Season 4, Episode 20
Sure. Take a Diet Coke, thank you.
Of course.
Breaking Bad Season 4, Episode 7
How hard is 65% Coke,
35% Diet Coke?
The Big Bang Theory Season 12, Episode 23