Oh, i-it's just this
dumb crystal WAND
The Big Bang Theory Season 12, Episode 2
What's with the WAND and the beep?
The Big Bang Theory Season 4, Episode 18
The WAND is called showmanship,
and the beep is none of your business.
The Big Bang Theory Season 4, Episode 18
Yeah, it's also a WAND.
The Big Bang Theory Season 5, Episode 10
Ah, let's just say the only WAND
The Big Bang Theory Season 5, Episode 12