One DING.
Breaking Bad Season 2, Episode 2
Why would I make that up?
There's no Ding Dong in it.
The Big Bang Theory Season 1, Episode 12
"rama lama lama ke DING
a de DINGa a dong."
The Big Bang Theory Season 5, Episode 17
♪ Ringa-DING, DING, DING, dong ♪
Breaking Bad Season 4, Episode 2
♪ Ringa-DING, DING, DING, dong ♪
Breaking Bad Season 4, Episode 2