you use your birthday
as a PASSWORD
The Big Bang Theory Season 7, Episode 7
Hey, Sheldon, did you change
your Wi-Fi PASSWORD again?
The Big Bang Theory Season 4, Episode 24
Oh, it's hardly hacking when you use
the same PASSWORD for everything, Kal-El.
The Big Bang Theory Season 2, Episode 9
Sheldon, I know what you did,
now change the PASSWORD back.
The Big Bang Theory Season 10, Episode 10
Hi. Did Sheldon change
the Wi-Fi PASSWORD again?
The Big Bang Theory Season 5, Episode 11