5-23: I, Borg

Picard and Data assist Spock on Romulus, who is working to reunify the Vulcans and Romulans.

The investigation into a fatal accident at Starfleet Academy puts Wesley Crusher’s future in jeopardy.

Troi, Data, and O’Brien are possessed by alien beings.

Investigating reported sightings of Spock on Romulus, the Enterprise discovers a secret faction of Romulans who desire reunification with their Vulcan ancestors.

When Data’s head is discovered with 19th-century relics on Earth, further investigation unveils dangerous aliens in Earth’s distant past.