Star Trek: Enterprise

The crew receive a heroes' welcome after returning to Earth following their year-long mission in the Delphic Expanse. Back on home turf, they take stock in different ways. (S4, ep 3)

When genetic supermen left over from the Eugenics Wars hijack a Klingon ship, Archer must rely on their creator, the criminal Arik Soong, to hunt them down. (S4, ep 4)

Arik Soong leads his band of Augments to a medical facility where hundreds of genetically enhanced embryos are still stored. Is he about to revive them? (S4, ep 5)

In defiance of their 'father', Arik Soong's Augments devise a heinous plot against the Klingons which will surely lead to war. Guest starring Brent Spiner. (S4, ep 6)

Earth's embassy on Vulcan is bombed, and the ensuing investigation puts Archer and T'Pol on the trail of a Vulcan religious faction hiding in a treacherous desert. (S4, ep 7)