For future REFERENCE,
if I want to watch Mean Girls,
The Big Bang Theory Season 9, Episode 11
The Star Trek REFERENCE
and the play on words...
The Big Bang Theory Season 2, Episode 22
If you ever need a REFERENCE
or anything, just let me know.
The Big Bang Theory Season 9, Episode 23
That is a cleverly veiled REFERENCE
to Howard's lifelong obsession...
The Big Bang Theory Season 6, Episode 9
And for future REFERENCE,
it's this.
The Big Bang Theory Season 5, Episode 12