Season 0
     1 - No Place to Hide
Season 1
     1 - The Reluctant Stowaway
     2 - The Derelict
     3 - Island in the Sky
     4 - There Were Giants in the Earth
     5 - The Hungry Sea
     6 - Welcome Stranger
     7 - My Friend, Mr. Nobody
     8 - Invaders from the Fifth Dimension
     9 - The Oasis
    10 - The Sky is Falling
    11 - Wish Upon a Star
    12 - The Raft
    13 - One of Our Dogs is Missing
    14 - Attack of the Monster Plants
    15 - Return from Outer Space
    16 - The Keeper - Part 1
    17 - The Keeper - Part 2
    18 - The Sky Pirate
    19 - Ghost in Space
    20 - The War of the Robots
    21 - The Magic Mirror
    22 - The Challenge
    23 - The Space Trader
    24 - His Majesty, Smith
    25 - The Space Croppers
    26 - All That Glitters
    27 - The Lost Civilization
    28 - A Change of Space
    29 - Follow the Leader
Season 2
     1 - Blast Off into Space
     2 - Wild Adventure
     3 - The Ghost Planet
     4 - Forbidden World
     5 - Space Circus
     6 - The Prisoners of Space
     7 - The Android Machine
     8 - The Deadly Games of Gamma 6
     9 - The Thief of Outer Space
    10 - Curse of Cousin Smith
    11 - West of Mars
    12 - A Visit to Hades
    13 - Wreck of the Robot
    14 - The Dream Monster
    15 - The Golden Man
    16 - The Girl from the Green Dimension
    17 - The Questing Beast
    18 - The Toymaker
    19 - Mutiny in Space
    20 - The Space Vikings
    21 - Rocket to Earth
    22 - The Cave of the Wizards
    23 - Treasure of the Lost Planet
    24 - Revolt of the Androids
Season 3
     1 - Condemned of Space
     2 - Visit to a Hostile Planet
     3 - Kidnapped in Space
     4 - Hunter's Moon
     5 - The Space Primevals
     6 - Space Destructors
     7 - The Haunted Lighthouse
     8 - Flight into the Future
     9 - Collision of Planets
    10 - Space Creature
    11 - Deadliest of the Species
    12 - A Day at the Zoo
    13 - Two Weeks in Space
    14 - Castles in Space
    15 - The Anti-Matter Man
    16 - Target Earth
    17 - Princess of Space
    18 - Time Merchant

    20 - Fugitives in Space
    21 - Space Beauty
    22 - The Flaming Planet