![For future reference,
if I want to watch Mean Girls,
For future reference,
if I want to watch Mean Girls,](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
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.
And for future reference,
it's this.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
And for future REFERENCE,
it's this.
The Big Bang Theory Season 5, Episode 12
![The Star Trek reference
and the play on words...
The Star Trek reference
and the play on words...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
The Star Trek REFERENCE
and the play on words...
The Big Bang Theory Season 2, Episode 22
![I challenge you to find a single reference
to Kryptonian skin cells.
I challenge you to find a single reference
to Kryptonian skin cells.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
I challenge you to find a single REFERENCE
to Kryptonian skin cells.
The Big Bang Theory Season 1, Episode 2
![Is that a reference
to my speech impediment?
Is that a reference
to my speech impediment?](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Is that a REFERENCE
to my speech impediment?
The Big Bang Theory Season 7, Episode 10