using Morse code?
The Big Bang Theory Season 7, Episode 1
Samuel Morse. You kill me.
The Big Bang Theory Season 11, Episode 8
And no, I just blink a lot,
it's not Morse code for "rescue me."
The Big Bang Theory Season 9, Episode 15
- What are you doing?
SHELDON: It's Morse code.
The Big Bang Theory Season 2, Episode 6
Should've been about
Samuel Morse
The Big Bang Theory Season 11, Episode 8