Oh, that's a Venn DIAGRAM,
The Big Bang Theory Season 9, Episode 23
In a Venn DIAGRAM,
that would be an individual located...
The Big Bang Theory Season 1, Episode 14
"Venn is he gonna stop talking
about this DIAGRAM?"
The Big Bang Theory Season 9, Episode 23
so this DIAGRAM is really just
a flux capacitor
The Big Bang Theory Season 11, Episode 16