5-23: I, Borg
The Enterprise rescues a Borg drone who's been cutoff from the Collective.
5-07: Unification, Part I
Investigating reported sightings of Spock on Romulus, the Enterprise discovers a secret faction of Romulans who desire reunification with their Vulcan ancestors.
5-26: Time’s Arrow, Part I
When Data’s head is discovered with 19th-century relics on Earth, further investigation unveils dangerous aliens in Earth’s distant past.