
He wasn't too busy to binge-watch
Hot in Cleveland with my Hulu PASSWORD.
The Big Bang Theory Season 9, Episode 12

Sheldon, I know what you did,
now change the PASSWORD back.
The Big Bang Theory Season 10, Episode 10

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

Yeah, 1234 is not a secure PASSWORD.
The Big Bang Theory Season 1, Episode 16