Dr. Jackson, Loki and others in “Unfinished Business”

Why risk coming back here after nineteen years?

I thought he was the one.

Me?

I believed his genetic code contained the key.

Mine?

[To the clone] Will you stop that?

He was physiologically advanced enough to carry and utilize all the data from the Ancient repository of knowledge. That would not be possible for any human one generation ago. He is a significant step forward on your evolutionary path.

You just found this out recently?

I learned about it when all the Asgard did. O'Neill is legendary. [Col. O'Neill adopts a smug look]