
he now has Leonard Nimoy's DNA.
The Big Bang Theory Season 12, Episode 24

with your
DNA in it.
The Big Bang Theory Season 7, Episode 7

Clearly, the combination of our DNA
is exceptional.
The Big Bang Theory Season 10, Episode 8

I possess the DNA of Leonard Nimoy?
The Big Bang Theory Season 2, Episode 11

We do share DNA.
The Big Bang Theory Season 1, Episode 15