Now I'm thinking about the ORIGIN
of the phrase "train of thought."
The Big Bang Theory Season 4, Episode 20
Oh, I don't know. Maybe because
the ORIGIN of the universe
The Big Bang Theory Season 7, Episode 20
that has no seal
and with no registration of the ORIGIN.
Money Heist Season 1, Episode 10
Very similar to C-4, British ORIGIN,
and that the connexion is perfect.
Money Heist Season 1, Episode 11
There's the ORIGIN
of an entire species
to consider.
Westworld Season 2, Episode 9