Beka says, "Ah- Ral Parthia. I've been 'round the moons of Nibia and through perdition's flames, but, uh... never heard of the place". This echoes Khan's testimony in the second Star Trek film, which was derived from Ahab's vow in Melville's Moby Dick.
In the beginning of the episode Seamus is trying to spin his nano welder around like a pistol. Dutch the android engineer tried to teach him this in the episode "The Mathematics of tears" in season one.