(CELL PHONE RINGING)
The Big Bang Theory Season 10, Episode 11
He's holding the PHONE to his left ear.
Ears do not cross hemispheres.
The Big Bang Theory Season 2, Episode 15
(CELL PHONE RINGS)
The Big Bang Theory Season 10, Episode 15
(PHONE CHIMING)
The Big Bang Theory Season 2, Episode 22
Phone.
Money Heist Season 1, Episode 1