Season 1
S1.E0 ∙ International Space Station - 2005-03-28S1.E1 ∙ PilotS1.E2 ∙ Shadow DeathstarS1.E3 ∙ Alien Death RayS1.E4 ∙ Black Knight RisesS1.E5 ∙ Interstellar Gold RushS1.E6 ∙ Ghosts on the MoonS1.E7 ∙ Mystery Space SquidS1.E8 ∙ U.S. UFO & The Saturn Mega HexS1.E9 ∙ The Aristarchus Enigma & Martian Space Station
Season 2
S2.E1 ∙ Life in HellS2.E2 ∙ Top Secret TerrorS2.E3 ∙ Hammer of ThorS2.E4 ∙ Spacewalk of DoomS2.E5 ∙ Did We Nuke Jupiter?S2.E6 ∙ Nazis on the MoonS2.E7 ∙ Lethal WeaponsS2.E8 ∙ Revenge of the Fireflies
Season 3
S3.E1 ∙ Pluto Under PressureS3.E2 ∙ Return of the Moon BugsS3.E3 ∙ Rise of the Ice CreaturesS3.E4 ∙ Ghosts on a CometS3.E5 ∙ The Moon That DisappearedS3.E6 ∙ Curse of the Red PlanetS3.E7 ∙ Red Storm RisingS3.E8 ∙ Attack of the ThunderballsS3.E9 ∙ Space's Deadliest MomentsS3.E10 ∙ The Moon's Greatest Mystery'sS3.E11 ∙ Space Station of DoomS3.E12 ∙ When the Universe AttacksS3.E13 ∙ Mars's Strangest SecretsS3.E14 ∙ Horror in the Cosmos
Season 4
S4.E1 ∙ Pluto's Stranger ThingsS4.E2 ∙ Rise of the Planet KillerS4.E3 ∙ A President's Close EncounterS4.E4 ∙ The Earth Next DoorS4.E5 ∙ Curse of the Full MoonS4.E6 ∙ Did Earth Have Two Moons?S4.E7 ∙ Mystery of the Invisible PlanetS4.E8 ∙ Mar's Deepest Secret
Season 5
S5.E0 ∙ Moon Mystery SpecialS5.E1 ∙ JFK UFO ConspiracyS5.E2 ∙ Curse of the Gas GiantS5.E3 ∙ The Sun's Evil TwinS5.E4 ∙ Secret AliensS5.E5 ∙ Stonehenge on MarsS5.E6 ∙ CIA's Secret RevengeS5.E7 ∙ The Moon's Strange SecretS5.E8 ∙ Saturn's Death StarS5.E9 ∙ Rise of the AliensS5.E19 ∙ Conspiracy in the Cosmos
Season 6
NASA's Unexplained Files (2012)
A look is taken at exclusive NASA footage and firsthand accounts of mysterious fly objects from astronauts and scientists are presented.