![was an obvious reference
was an obvious reference](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
was an obvious REFERENCE
The Big Bang Theory Season 7, Episode 3
![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
![...you might wanna skip the reference
to bowel movements.
...you might wanna skip the reference
to bowel movements.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
...you might wanna skip the REFERENCE
to bowel movements.
The Big Bang Theory Season 1, Episode 1
![That is a cleverly veiled reference
to Howard's lifelong obsession...
That is a cleverly veiled reference
to Howard's lifelong obsession...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
That is a cleverly veiled REFERENCE
to Howard's lifelong obsession...
The Big Bang Theory Season 6, Episode 9
![What reference?
What reference?](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
What REFERENCE?
The Big Bang Theory Season 8, Episode 19