![It's Darth Vader shampoo.
It's Darth Vader shampoo.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
It's Darth Vader SHAMPOO.
The Big Bang Theory Season 1, Episode 1
![You've convinced me, maybe we should
sneak in and shampoo her carpet.
You've convinced me, maybe we should
sneak in and shampoo her carpet.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
You've convinced me, maybe we should
sneak in and SHAMPOO her carpet.
The Big Bang Theory Season 1, Episode 2
![Dandruff shampoo.
Dandruff shampoo.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Dandruff SHAMPOO.
The Big Bang Theory Season 4, Episode 1
![...and my new dandruff shampoo
doesn't smell like tar.
...and my new dandruff shampoo
doesn't smell like tar.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
...and my new dandruff SHAMPOO
doesn't smell like tar.
The Big Bang Theory Season 6, Episode 6
![Only to shampoo
Professor Shamburg's shih tzu.
Only to shampoo
Professor Shamburg's shih tzu.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Only to SHAMPOO
Professor Shamburg's shih tzu.
The Big Bang Theory Season 3, Episode 14