Voyage to the Bottom of the Sea - Episode Guide for Season 4

Ep Show Details Date & Time Channel
E26 No Way Back Mr. Pem reappears and wants to build a new time machine. 03/31/1968
E25 The Death Clock A crewman creates a fourth dimension. 03/24/1968
E24 The Edge of Doom An enemy agent poses as a crew member. 03/17/1968
E23 Attack! Nelson, Crane and a peace-loving alien avert intergalactic war. 03/10/1968
E22 Flaming Ice The Seaview travels to the polar icecap to find the reason for world-wide floods. 03/03/1968
E21 Savage Jungle Aliens plant a jungle that threatens to overrun Earth. 02/25/1968
E20 Man-Beast After a descent in the diving bell, Crane turns into a monster. 02/18/1968
E19 Secret of the Deep Renegade scientists nearly sabotage a mission. 02/11/1968
E18 The Abominable Snowman In the Antarctic, an abominable snowman attacks the crew. 02/04/1968
E17 Nightmare Aliens create an illusion of an attack on Washington, D.C. 01/28/1968
E16 The Lobster Man The Seaview takes aboard a UFO containing a lobsterlike alien. 01/21/1968
E15 The Terrible Leprechaun In the Irish Sea, a leprechaun appears on the Seaview. 01/14/1968
E14 Return of Blackbeard Blackbeard the pirate tries to take over the Seaview. 12/31/1967
E13 Deadly Amphibians Creatures, part-man/part-fish, attack the Seaview. 12/24/1967
E12 Blow Up An experimental breathing apparatus causes Nelson to act strangely. 12/10/1967
E11 A Time to Die A man claims he has the power to control time. 12/03/1967
E10 Terror A dying botanist tells Nelson that aliens will attack mankind in eight hours. 11/26/1967
E9 Rescue The Seaview plays a deadly game of cat-and-mouse with a mystery sub. 11/19/1967
E8 Time Lock A collector of officers transports Nelson into the future. 11/12/1967
E7 Fatal Cargo Nelson captures a giant white gorilla and brings it aboard. 11/05/1967
E6 Man of Many Faces A scientist uses an electromagnetic field to draw the moon closer to Earth. 10/29/1967
E5 Sealed Orders The Seaview transports a neutron missile. 10/22/1967
E4 Journey With Fear Nelson, Crane and Morton are transported to an alien planet. 10/15/1967
E3 Cave of the Dead The Seaview encounters the ghostly Flying Dutchman. 10/08/1967
E2 The Deadly Dolls The Seaview crew is replaced by look-alike puppets. 10/01/1967
E1 Fires of Death The Seaview must control a volcano that could destroy the Southern Hemisphere. 09/24/1967