
...you might wanna skip the REFERENCE
to bowel movements.
The Big Bang Theory Season 1, Episode 1

And for future REFERENCE,
it's this.
The Big Bang Theory Season 5, Episode 12

For future REFERENCE,
if I want to watch Mean Girls,
The Big Bang Theory Season 9, Episode 11

What REFERENCE?
The Big Bang Theory Season 8, Episode 19

was an obvious REFERENCE
The Big Bang Theory Season 7, Episode 3