- This is C.
- I'm not going to learn Morse code...
The Big Bang Theory Season 2, Episode 6
- What are you doing?
SHELDON: It's Morse code.
The Big Bang Theory Season 2, Episode 6
using Morse code?
The Big Bang Theory Season 7, Episode 1
And no, I just blink a lot,
it's not Morse code for "rescue me."
The Big Bang Theory Season 9, Episode 15
- I don't know Morse code.
- Oh, it's very simple. This is A.
The Big Bang Theory Season 2, Episode 6