Season 1
1. "Sentinel"
2. "The Cocoon"
3. "Parasyte"
4. "Imperfection"
5. "Derelict"
6. "The Hive"
7. "Back to Basics"
8. "Shattered Glass"
9. "Hostile Territory"
10. "Honest Truth"
11. "Lower Decks"
12. "The Best Laid Plans"
13. "Weak And Strong"
14. "Wolf In The Fold"
15. "Freedom Star"
16. "My Enemy, My Ally"
17. "Perfect Soldier"
18. "Court Martial, Part 1"
19. "Court Martial, Part 2"
20. "MikariSoft"
21. "Tears Of All Oceans"
22. "Herald"
23. "Stranded, Part 1"

Season 2
1. "Stranded, Part 2"
2. "New Arrival"
3. "The Hammer of Thor, Part 1"
4. "The Hammer of Thor, Part 2"
5. "Chain of Command" (Leyton appears)
6. "Far From Home"
7. "Improvise"
8. "Shot Through The Heart"
9. "Infection"
10. "Moving On"
11. "The Return"
12. "Restoration"
13. "Technical Support"
14. "Flight Commander"
15. "Life Choices"
16. "The Eyes Of The Universe"
17. "New Neighbors"
18. "Ring World"
19. "Einhander"
20. "Fantasy Beach"
21. "Faceless, Forbidden, Fire"
22. "Vanguard"
23. "False Truths"
24. "Frozen In Time"
25. "A New Engine"
26. "The Race To Earth, Part 1"

Season 3
1. "The Race To Earth, Part 2"
2. "As I Walk In The Shadow In The Valley Of Death"
3. "I Shall Fear No Evil"
4. "Cloud Painting"
5. "Trouble In Paradise"
6. "Absolute Power, Part 1"
7. "Absolute Power, Part 2"
8. "Wandering Souls"
9. "Lord of the Ring"
10. "Threads of Fate"
11. "Second Chances, Part 1"
12. "Second Chances, Part 2"
13. "Crossing Over and Back"
14. "Marikan"
15. "Dark Times Ahead"
16. "Snake In The Grass"
17. "Rebel Soldiers"
18. "Eyes Wide Shut"
19. "Base of Operations"
20. "The Escape"
21. "A Cry of Panic"
22. "Fragmented"
23. "Cloak and Dagger"
24. "Eye of the Needle"
25. "Gaia"

Season 4 (Runs concurrently with series 3 season 1)
1. "The Surprise Returns, Part 1"
2. "The Surprise Returns, Part 2"
3. "Perchance to Dream"
4. "Winds of Change"
5. "Let Slip The Dogs Of War"
6. "Masters of Technology, Part 2" (Crossover event, series 3)
7. "Downward Spiral"
8. "Blossoming Flowers"
9. "Allies"
10. "When Stars Clash, Part 1"
11. "When Stars Clash, Part 2"
12. "Making Tracks"
13. "Fallen House of Cards"
14. "Higher Learning"
15. "Out of the Blue"
16. "The Sleeping God, Part 1"
17. "The Sleeping God, Part 2"
18. "The Bigger They Are"
19. "Interrogation"
20. "Wheeling and Dealing"
21. "Dearest Blood"
22. "Hush, Part 1"
23. "Hush, Part 2"
24. "Wedding Bells"
25. "Chop Shop"
26. "Grand Theft Starship"

Season 5 (Runs concurrently with series 3 season 2)
1. "Return To Action"
2. "The Black Expanse"
3. "All That Rage"
4. "Blade of Light"
5. "The Harlequin Gambit"
6. "Descending From The Sky"
7. "Run, Rabbit, Run…"
8. "Drawing The Line"
9. "Red Cross"
10. "Time's Messenger"
11. "The Annals Of Diplomacy"
12. "Before Dawn"
13. "Dancing In Moonlight"
14. "The Red Hand"
15. "Poison Arrow"
16. "Puncture Wounds"
17. "Guardian Angel"
18. "Stains On The Uniform"
19. "Paving The Way"
20. "Shadows Of Yesterday"
21. "Viper"
22. "Trade of all Jacks"
23. "Force of Nature"
24. "Raiders"
25. "Sealing The Gates, Part 1"
26. "Sealing The Gates, Part 2"

Season 6  (Runs concurrently with series 3 season 3)
1. "Sealing The Gates, Part 3"
2. "Suspicions"
3. "Behind Enemy Lines"
4. "Alpha Squadron"
5. "The Brotherhood, Part 1"
6. "The Brotherhood, Part 2"
7. "Icarus's Wings"
8. "Justifiable Actions"
9. "Contamination"
10. "Coming Into My Own"
11. "Command Decisions"
12. "Under Control"
13. "Now You See It, Now You Don't"
14. "Wandering Home"
15. "Lace : The Final Brazier"
16. "Heading Above Ground"
17. "Dark Side"
18. "Its Bark Is Worse Than Its Byte"
19. "Facets of the Sword"
20. "Patterns"
21. "Blood Expansion"
22. "Necessary Survival"
23. "Terra Strike"
24. "Infiltration"
25. "The Show Must Go On"
26. "Physician, Heal Thyself, Part 1"

Season 7  (Runs concurrently with series 3 season 4)
1. "Physician, Heal Thyself, Part 2"
2. "Axis Collision"
3. "Secrets of the Future"
4. "Salvage"
5. "Dead Silence"
6. "Strict Adherence"
7. "Split Decisions"
8. "The Beat Goes On"
9. "Seized"
10. "The Games"
11. "Brandy's Point"
12. "Future Historian"
13. "Grandfather Paradox, Part 1"
14. "Grandfather Paradox, Part 2"
15. "Signs"
16. "Not Quite A Love Story"
17. "First Line Of Defense"
18. "The Warriors Stand Fast"
19. "Nemesis"
20. "Reschen Towards The Future"
21. "Exodus"
22. "The Old War Horse"
23. "When The Guns Go Silent"
24. "The Enemy Advances"
25. "Touch The Sky, Part 1"
26. "Touch The Sky, Part 2"