4-14: The Aenar
Archer and Shran seek out the Aenar, an Andorian subspecies, to investigate their connection with recent attacks.
4-11: Observer Effect
With Hoshi and Trip suffering from a fatal illness, Organians study the Enterprise crew.
The Enterprise assists Emory Erickson, the inventory of the transporter, who is secretly trying to save his long-lost son.