![It's my official NASA portrait.
It's my official NASA portrait.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
It's my OFFICIAL NASA portrait.
The Big Bang Theory Season 6, Episode 5
![Oh, yes.
There was a very official e-mail...
Oh, yes.
There was a very official e-mail...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Oh, yes.
There was a very OFFICIAL e-mail...
The Big Bang Theory Season 1, Episode 12
![It wasn't an official sign-up sheet.
He printed it...
It wasn't an official sign-up sheet.
He printed it...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
It wasn't an OFFICIAL sign-up sheet.
He printed it...
The Big Bang Theory Season 2, Episode 3
![AA, I need your official answer.
AA, I need your official answer.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
AA, I need your OFFICIAL answer.
The Big Bang Theory Season 1, Episode 13
![Interesting. If my official residence
were across the hall,
Interesting. If my official residence
were across the hall,](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Interesting. If my OFFICIAL residence
were across the hall,
The Big Bang Theory Season 10, Episode 4