Massive spaceships hover over Earth's major cities to enable Anna (Morena Baccarin), the leader of an alien race known as 'the Visitors,' to deliver a message of peace in the pilot that kicks off this reimagining of the 1980s sci-fi series. Erica Evans: Elizabeth Mitchell. Ryan Nichols: Morris Chestnut.
A "seeker" among the Visitors tracks Erica and Father Jack. Chad seeks redemption by investigating the aliens ahead of his next newscast while law enforcers press Erica for information concerning Dale Maddox's whereabouts.
Anna receives the first of 100 diplomatic visas issued to the American Visitors; Erica is paired with an alien officer to track down the source of a death threat; Ryan recruits allies to oppose the Visitors.
With the help of her allies, Erica uncovers a biological threat that may be linked to the Visitors; Anna supervises the murder probe of a V while meeting with a special guest on the mother ship; Chad reports on the Visitors' healing centers.
Val's pregnancy concerns Ryan; the Resistance inducts a dangerous new member; Anna is puzzled by Chad, who hasn't scheduled a follow-up for his diagnosis; Erica gets attacked at home. Agent Sarita Malik: Rekha Sharma. Dr. Leah Pearlman: Lexa Doig.
Anna launches a pilot program to allow select groups of humans to live on the spaceships; Tyler uncovers a secret about his mom; Valerie's accelerated pregnancy becomes an issue for Ryan; a sacrifice is made to save Ryan. Georgie: David Richmond-Peck.
Erica, Ryan and Jack seek out the legendary John May (Michael Trucco) to rescue Georgie; Tyler probes his mysterious past during a confrontation with his mother; Chad visits the mother ship to report on Anna's Live Aboard program.
Chad and Anna visit Geneva, Switzerland, with Anna toting a technological gift to present at the UN Energy Summit; Erica discovers that the V Task Force is looking into the Fifth Column; trust issues and baby worries prompt Valerie to go on the run.
Erica seeks out a scientist who may have created a weapon that allegedly worries the Visitors; Anna announces that the Vs may be departing, and gives Chad a list of Fifth Column members to investigate.
Season 1 ends as a V soldier pursues Val, and her water breaks; Erica goes on the offensive by securing a dinner invitation for her and Tyler on the mothership; Chad discovers that Anna has been using him.