For future REFERENCE,
if I want to watch Mean Girls,
The Big Bang Theory Season 9, Episode 11
I challenge you to find a single REFERENCE
to Kryptonian skin cells.
The Big Bang Theory Season 1, Episode 2
I marked the calendar
for future REFERENCE.
The Big Bang Theory Season 1, Episode 4
What?
You're familiar with the REFERENCE?
The Big Bang Theory Season 10, Episode 7
What REFERENCE?
The Big Bang Theory Season 8, Episode 19