You mean like a BETA test?
The Big Bang Theory Season 5, Episode 14
Look at the BETA function
of quantum chromodynamics.
The Big Bang Theory Season 1, Episode 5
And smart. Phi Beta Kappa.
The Big Bang Theory Season 7, Episode 17
It's the buggy BETA version.
The Big Bang Theory Season 2, Episode 20
And as the first BETA testers,
you two have quite the edge...
The Big Bang Theory Season 3, Episode 7