Season 1
(1977)
Cast
Episodes
Melt Down 0.0
September 22, 1977
Schubert threatens to cause worldwide flooding by using powerful microwaves to melt Earth's polar ice caps, unless the …
The Mudworm 0.0
October 13, 1977
When a multimillion-dollar underwater probe malfunctions and begins attacking any ship that travels near it, Mark must …
The Hawk of Mu 0.0
October 18, 1977
Mark, investigating a power outage, discovers a centuries-old hawk statue from the legendary civilization of Mu. The st…
Giant 0.0
October 25, 1977
The oceans are leaking through a fissure in the ocean floor. A con-man named Muldoon agrees to guide Mark through the f…
Man O' War 0.0
November 1, 1977
Schubert threatens to cause worldwide flooding by using powerful microwaves to melt the earth's polar ice caps, unless …
Shoot-Out at Land's End 0.0
November 8, 1977
When a multimillion-dollar underwater probe malfunctions and begins attacking any ship that travels near it, Mark must …
Crystal Water, Sudden Death 0.0
November 22, 1977
Mark, investigating a power outage, discovers a centuries-old hawk statue from the legendary civilization of Mu. The st…
The Naked Montague 0.0
December 6, 1977
The oceans are leaking through a fissure in the ocean floor. A conman named Muldoon agrees to guide Mark through the fi…
C.W. Hyde 0.0
December 13, 1977
Using his genetic scientists, Schubert produces a giant jellyfish which he intends to release unless his extortion dema…
Scavenger Hunt 0.0
April 18, 1978
Mark is somehow linked with a man named Billy, existing in a wild west town, who appears to be his twin. Investigating,…
Imp 0.0
April 25, 1978
Schubert attempts to make a satellite weapon to knock out the Earth's communications. However, to power the weapon he n…
The Siren 0.0
May 2, 1978
An underwater landslide transports Mark to Verona, Italy... in the days of Romeo and Juliet.
Deadly Carnival 6.5
June 6, 1978
C.W. develops a Jekyll-and-Hyde personality after swallowing a mysterious liquid.