Thunderbirds

Danger at Ocean Deep (1x19)

: 03, 1966

Ocean Pioneer I, the world's most modern tanker, encounters a strange mist and suddenly explodes while transporting its cargo, killing its three-man crew. Six months later, its disappearance is still a mystery, but it'll take more than that to stop the maiden voyage of Ocean Pioneer II, christened by International Rescue's own Lady Penelope. Unbeknownst to onlookers, she is there on behalf of Jeff Tracy to investigate any signs of the sabotage that just may have caused the disappearance of its predecessor. Penelope gives it the ok, but Jeff has other concerns at the moment. He's lost all communication with Thunderbirds 1 and 2 -- sent out on a rescue in Hawaii -- and their space satellite as well. The good news is that his sons all manage to return in one piece, but radio contact is still vital to their operation. What is causing the mysterious interference, and what will happen if someone finds themselves in need of rescue, especially those aboard Ocean Pioneer II? After retreating to