
He's right, Leonard.
The PARADIGM is to the death.
The Big Bang Theory Season 2, Episode 12

Avoid the presumption
of the Terran sensory input PARADIGM.
The Big Bang Theory Season 8, Episode 21

Yes, but our society
has undergone a PARADIGM shift.
The Big Bang Theory Season 1, Episode 6

...of our colleague/friendship PARADIGM
with the addition of a date-like component.
The Big Bang Theory Season 1, Episode 3

Howard is employing
a schoolyard PARADIGM...
The Big Bang Theory Season 2, Episode 8