- Ep: 1
- Vortex (part 1)
- Starring: Scott Thomas (Professor Paul Jordan), Susan Howard (Eve Costigan), Jared Martin (Varian), Carl Franklin (Dr. Fred Walters), Karen Somerville (Jill Sands), Ike Eisenmann (Scott Jordan)
- Guest Starring: Leif Erickson (Captain Ben Wallace), Scott Brady (Carl Johanson)
- And: Don Knight (Paget)
- Special Guest Stars: Ian McShane (Sir James Camden), Gary Collins (Dar-L), Mary Ann Mobley (Rhea), Jason Evers (Atar)
- Guest Starring: Lynn Borden (Enid Jordan)
- Co-Starring: Jack Stauffer (Andy), Byron Chung (George), Tom McCorry (Scar)
- And: Mike Road (The Voice of the Source)
- Teleplay By: Michael Michaelian & Katharyn Michaelian Powers & Merwin Gerard
- Story By: Merwin Gerard
- Directed By: Andrew V. McLaglen
- Ep: 2
- Atlantium (part 2)
- Starring: Jared Martin (Varian), Carl Franklin (Dr. Fred Walters), Ike Eisenmann (Scott Jordan), Katie Saylor (Liana)
- Guest Starring: Gary Collins (Dar-L), Albert Stratton (Itar)
- And: Jason Evers (Atar)
- Special Guest Star: Mary Ann Mobley (Rhea)
- Co-Starring: Ian Jon Tanza (Under), Lawrence Bame (Maron)
- And: Mike Road (The Voice of the Source)
- Teleplay By: Katharyn Michaelian Powers
- Story By: Michael Michaelian & Katharyn Michaelian Powers
- Directed By: Barry Crane
- Ep: 3
- Beyond the Mountain
- Starring: Jared Martin (Varian), Carl Franklin (Dr. Fred Walters), Ike Eisenmann (Scott Jordan), Katie Saylor (Liana)
- And: Roddy McDowall (Dr. Jonathan Willaway)
- Guest Starring: John David Carson (Cyrus)
- Special Guest Star: Marj Dusay (Rachel)
- Co-Starring: Lester Fletcher (Chef), Frank Corsentino (Toren), Joseph Della Sorte (Aren), Ron Burke (Robert), Brian Patrick Clarke (Daniel), Bud Kenneally (Veteran), Crofton Hardester (Michael)
- Written By: Harold Livingston
- Directed By: Irving J. Moore
- Ep: 4
- Children of the Gods
- Starring: Jared Martin (Varian), Carl Franklin (Dr. Fred Walters), Ike Eisenmann (Scott Jordan), Katie Saylor (Liana)
- And: Roddy McDowall (Dr. Jonathan Willaway)
- Guest Starring: Mark Lambert (Alpha), Bobby Eilbacher (Sigma), Cosie Costa (Delta), Stanley Clay (Beta)
- Co-Starring: Richard Natoli (Gamma), Al A. Eisenmann (Omega), Michael Baldwin (Rho)
- Written By: Leonard Katzman
- Directed By: Alf Kjellin
- Ep: 5
- A Dream of Conquest
- Starring: Jared Martin (Varian), Carl Franklin (Dr. Fred Walters), Ike Eisenmann (Scott Jordan), Katie Saylor (Liana)
- And: Roddy McDowall (Dr. Jonathan Willaway)
- Guest Starring: John Saxon (Consul Tarant), Morgan Paull (Argon), Lenore Stevens (Lara), Robert Patten (Luther)
- Special Guest Star: Johnny Doran (Nikki)
- Co-Starring: Bobby Porter (The Neffring)
- Main Title Narrator: Mike Road
- Teleplay By: Michael Michaelian
- Story By: Bruce Lansbury
- Directed By: Vincent McEveety
- Ep: 6
- An Act of Love
- Starring: Jared Martin (Varian), Carl Franklin (Dr. Fred Walters), Ike Eisenmann (Scott Jordan), Katie Saylor (Liana)
- And: Roddy McDowall (Dr. Jonathan Willaway)
- Guest Starring: Ellen Weston (Maera), Christina Hart (Gwenith), Jonathan Goldsmith (Zaros), Vic Mohica (Baras)
- Co-Starring: Belinda Balaski (Arla), Jeffrey Byron (Heras), Jerry Daniels (The Guard)
- Main Title Narrator: Mike Road
- Written By: Richard Fielder
- Directed By: Virgil W. Vogel
- Ep: 7
- Funhouse
- Starring: Jared Martin (Varian), Carl Franklin (Dr. Fred Walters), Ike Eisenmann (Scott Jordan), Katie Saylor (Liana)
- And: Roddy McDowall (Dr. Jonathan Willaway)
- Guest Starring: Mel Ferrer (Appolonius), Mary Frann (Roxanne), Richard Lawson (Barker), Christina Hart (Gwenith)
- Main Title Narrator: Mike Road
- Written By: Michael Michaelian
- Directed By: Art Fisher
- Ep: 8
- Turnabout
- Starring: Jared Martin (Varian), Carl Franklin (Dr. Fred Walters), Ike Eisenmann (Scott Jordan), Katie Saylor (Liana)
- And: Roddy McDowall (Dr. Jonathan Willaway)
- Guest Starring: Joan Collins (Queen Halyana), Paul Mantee (Morgan), Julie Cobb (Adrea), Beverly Todd (Connell)
- Co-Starring: Charles Walker II (Obril), Amy Joyce (Masel)
- Main Title Narrator: Mike Road
- Written By: D.C. Fontana & Ken Kolb
- Directed By: Victor French
- Ep: 9
- Riddles
- Starring: Jared Martin (Varian), Carl Franklin (Dr. Fred Walters), Ike Eisenmann (Scott Jordan), Katie Saylor (Liana)
- And: Roddy McDowall (Dr. Jonathan Willaway)
- Guest Starring: Dale Robinette (Kedryn), Carole Demas (Krysta)
- Co-Starring: William O'Connell (Simkin), Dax Xanos (The Rider), Lynn Borden (Enid)
- Main Title Narrator: Mike Road
- Written By: Katharyn Michaelian Powers
- Directed By: David Moessinger
- Ep: 10
- The Innocent Prey
- Starring: Jared Martin (Varian), Carl Franklin (Dr. Fred Walters), Ike Eisenmann (Scott Jordan), Katie Saylor (Liana)
- And: Roddy McDowall (Dr. Jonathan Willaway)
- Guest Starring: Richard Jaeckel (York), Nicholas Hammond (Tye)
- And: Cheryl Ladd (Natica)
- Special Guest Star: Lew Ayres (Rayat)
- Co-Starring: Gerald McRaney (The Co-Pilot), Burt Douglas (The Pilot), Jim Poyner (Roland)
- Main Title Narrator: Mike Road
- Written By: Robert Hamilton
- Directed By: Vincent McEveety
- Ep:
- Romulus
- Written By: Calvin Clements, Jr.
- Note: Script dated Mar 01/77 but never produced
| Jared Martin .............................. Varian |
| Carl Franklin ................... Dr. Fred Walters |
| Ike Eisenmann ....................... Scott Jordan |
| Katie Saylor ............................... Liana |
| Roddy McDowall ............. Dr. Jonathan Willaway |
