
...when she discovers your Luke Skywalker
"no more tears" SHAMPOO?
The Big Bang Theory Season 1, Episode 1

Mouthwash, lotion, body wash,
SHAMPOO and conditioner...
The Big Bang Theory Season 2, Episode 21

You've convinced me, maybe we should
sneak in and SHAMPOO her carpet.
The Big Bang Theory Season 1, Episode 2

Only to SHAMPOO
Professor Shamburg's shih tzu.
The Big Bang Theory Season 3, Episode 14

It's Darth Vader SHAMPOO.
The Big Bang Theory Season 1, Episode 1