| Season One | 13 color episodes in 60 minute format | ||
|---|---|---|---|
| Ep | PN | Airdate | Title |
| 1 | Jan 02/78(UK) | The Way Back | |
| 2 | Jan 09/78(UK) | Space Fall | |
| 3 | Jan 16/78(UK) | Cygnus Alpha | |
| 4 | Jan 23/78(UK) | Time Squad | |
| 5 | Jan 30/78(UK) | The Web | |
| 6 | Feb 06/78(UK) | Seek-Locate-Destroy | |
| 7 | Feb 13/78(UK) | Mission to Destiny | |
| 8 | Feb 20/78(UK) | Duel | |
| 9 | Feb 27/78(UK) | Project Avalon | |
| 10 | Mar 06/78(UK) | Breakdown | |
| 11 | Mar 13/78(UK) | Bounty | |
| 12 | Mar 20/78(UK) | Deliverance | |
| 13 | Mar 27/78(UK) | Orac | |
| Season Two | 13 color episodes in 60 minute format | ||
|---|---|---|---|
| Ep | PN | Airdate | Title |
| 14 | Jan 09/79(UK) | Redemption | |
| 15 | Jan 16/79(UK) | Shadow | |
| 16 | Jan 23/79(UK) | Weapon | |
| 17 | Jan 30/79(UK) | Horizon | |
| 18 | Feb 06/79(UK) | Pressure Point | |
| 19 | Feb 13/79(UK) | Trial | |
| 20 | Feb 20/79(UK) | Killer | |
| 21 | Feb 27/79(UK) | Hostage | |
| 22 | Mar 06/79(UK) | Countdown | |
| 23 | Mar 13/79(UK) | Voice From the Past | |
| 24 | Mar 20/79(UK) | Gambit | |
| 25 | Mar 27/79(UK) | The Keeper | |
| 26 | Apr 03/79(UK) | Star One | |
| Season Three | 13 color episodes in 60 minute format | ||
|---|---|---|---|
| Ep | PN | Airdate | Title |
| 27 | Jan 07/80(UK) | Aftermath | |
| 28 | Jan 14/80(UK) | Powerplay | |
| 29 | Jan 21/80(UK) | Volcano | |
| 30 | Jan 28/80(UK) | Dawn of the Gods | |
| 31 | Feb 04/80(UK) | The Harvest of Kairos | |
| 32 | Feb 11/80(UK) | City at the Edge of the World | |
| 33 | Feb 19/80(UK) | Children of Auron | |
| 34 | Feb 25/80(UK) | Rumours of Death | |
| 35 | Mar 03/80(UK) | Sarcophagus | |
| 36 | Mar 10/80(UK) | Ultraworld | |
| 37 | Mar 17/80(UK) | Moloch | |
| 38 | Mar 24/80(UK) | Death-Watch | |
| 39 | Mar 31/80(UK) | Terminal | |
| Season Four | 13 color episodes in 60 minute format | ||
|---|---|---|---|
| Ep | PN | Airdate | Title |
| 40 | Sep 28/81(UK) | Rescue | |
| 41 | Oct 05/81(UK) | Power | |
| 42 | Oct 12/81(UK) | Traitor | |
| 43 | Oct 19/81(UK) | Stardrive | |
| 44 | Oct 26/81(UK) | Animals | |
| 45 | Nov 02/81(UK) | Headhunter | |
| 46 | Nov 09/81(UK) | Assassin | |
| 47 | Nov 16/81(UK) | Games | |
| 48 | Nov 23/81(UK) | Sand | |
| 49 | Nov 30/81(UK) | Gold | |
| 50 | Dec 07/81(UK) | Orbit | |
| 51 | Dec 14/81(UK) | Warlord | |
| 52 | Dec 21/81(UK) | Blake | |
