We're testing PHASE shift
due to electric potential.
The Big Bang Theory Season 3, Episode 10
Phase two, we test it, perfect it,
and hope to live long enough
The Big Bang Theory Season 10, Episode 23
Are you implementing PHASE two?
The Big Bang Theory Season 10, Episode 23
Seems like, with Sheldon moving out,
you're in a new PHASE of your lives,
The Big Bang Theory Season 10, Episode 10
You guys completed PHASE one,
we'll take it from here.
The Big Bang Theory Season 10, Episode 23