
of Heisenberg's
uncertainty PRINCIPLE,
The Big Bang Theory Season 5, Episode 5

Point is, Sheldon, the legal PRINCIPLE...
The Big Bang Theory Season 4, Episode 21

The holographic PRINCIPLE suggests...
The Big Bang Theory Season 6, Episode 5

The anthropic PRINCIPLE states...
The Big Bang Theory Season 6, Episode 1

...most accurate visualization
of a scientific PRINCIPLE.
The Big Bang Theory Season 1, Episode 6