1 - 1Eleven Days to Zero Sep. 14, 1964- 1 - 2The City Beneath the Sea Sep. 21, 1964
- 1 - 3The Fear-Makers Sep. 28, 1964
- 1 - 4The Mist Of Silence Oct. 05, 1964
- 1 - 5The Price of Doom Oct. 12, 1964
- 1 - 6The Sky is Falling Oct. 19, 1964
- 1 - 7Turn Back the Clock Oct. 26, 1964
- 1 - 8The Village of Guilt Nov. 02, 1964
- 1 - 9Hot Line Nov. 09, 1964
- 1 - 10Submarine Sunk Here Nov. 16, 1964
- 1 - 11The Magnus Beam Nov. 23, 1964
- 1 - 12No Way Out Nov. 30, 1964
- 1 - 13The Blizzard Makers Dec. 07, 1964
- 1 - 14The Ghost of Moby Dick Dec. 14, 1964
- 1 - 15Long Live the King Dec. 21, 1964
- 1 - 16Hail to the Chief Dec. 28, 1964
- 1 - 17The Last Battle Jan. 04, 1965
- 1 - 18Mutiny Jan. 11, 1965
- 1 - 19Doomsday Jan. 18, 1965
- 1 - 20The Invaders Jan. 25, 1965
- 1 - 21The Indestructible Man Feb. 01, 1965
- 1 - 22The Buccaneer Feb. 08, 1965
- 1 - 23The Human Computer Feb. 15, 1965
- 1 - 24The Saboteur Feb. 22, 1965
- 1 - 25Cradle of the Deep Mar. 01, 1965
- 1 - 26The Amphibians Mar. 08, 1965
- 1 - 27The Exile Mar. 15, 1965
- 1 - 28The Creature Mar. 22, 1965
- 1 - 29The Enemies Mar. 29, 1965
- 1 - 30The Secret of the Loch Apr. 05, 1965
- 1 - 31The Condemned Apr. 12, 1965
- 1 - 32The Traitor Apr. 19, 1965
