![Diet Coke.
Diet Coke.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Diet Coke.
The Big Bang Theory Season 1, Episode 13
![Wrong. She just took a sip
from his Diet Dr. Pepper.
Wrong. She just took a sip
from his Diet Dr. Pepper.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Wrong. She just took a sip
from his Diet Dr. Pepper.
The Big Bang Theory Season 6, Episode 2
![](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
"Wil, do you want more Diet Coke?
The Big Bang Theory Season 8, Episode 20
![...I need to change my diet.
...I need to change my diet.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
...I need to change my DIET.
The Big Bang Theory Season 4, Episode 2
![His diet is rich in fatty deli meats.
His diet is rich in fatty deli meats.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
His DIET is rich in fatty deli meats.
The Big Bang Theory Season 6, Episode 9