There's a sudden emergence of a dangerous new lifeform aboard the U.S.S. Voyager — a Superborg — after The Doctor's 29th century mobile emitter technology mysteriously fuses with Seven of Nine's Borg nanoprobes as the result of a transporter accident.

J. Paul Boehmer (The Drone)
Todd Babcock (Ensign Mulchaey)

• The Drone is created when Seven's nanoprobes infect and assimilate the Doctor's mobile emitter; it then assimilates a science lab workstation and extracts a tissue sample from Ensign Mulchaey.