my short-lived parkour PHASE.
The Big Bang Theory Season 12, Episode 4
Phase two, we test it, perfect it,
and hope to live long enough
The Big Bang Theory Season 10, Episode 23
We're testing PHASE shift
due to electric potential.
The Big Bang Theory Season 3, Episode 10
Are you implementing PHASE two?
The Big Bang Theory Season 10, Episode 23
because I never went through
a rebellious PHASE so, I got an earring...
The Big Bang Theory Season 10, Episode 12