• S 6: Ep 13 The Invasion, Episode Three
    11/16/68
  • S 6: Ep 12 The Invasion, Episode Two
    11/9/68
  • S 27: Ep 2 Dimensions in Time, Part Two
    11/27/93
  • S 26: Ep 4 Battlefield, Part Four
    9/27/89
  • S 26: Ep 3 Battlefield, Part Three
    9/20/89
  • S 26: Ep 2 Battlefield, Part Two
    9/13/89
  • S 26: Ep 1 Battlefield, Part One
    9/6/89
  • S 7: Ep 4 Spearhead From Space, Episode 4
    1/24/70
  • S 7: Ep 3 Spearhead From Space, Episode 3
    1/17/70
  • S 7: Ep 2 Spearhead From Space, Episode 2
    1/10/70
  • S 7: Ep 1 Spearhead From Space, Episode 1
    1/3/70