What REFERENCE?
The Big Bang Theory Season 8, Episode 19
For future REFERENCE,
if I want to watch Mean Girls,
The Big Bang Theory Season 9, Episode 11
And for future REFERENCE,
it's this.
The Big Bang Theory Season 5, Episode 12
In REFERENCE to a database
much larger than anything
I know of in the park.
Westworld Season 2, Episode 4
was an obvious REFERENCE
The Big Bang Theory Season 7, Episode 3