The Army's new Sidewinder falls down a burning pit. Can International Rescue haul the machine out of the pit before it breaks up?

Lady Penelope is taken hostage by the evil Dr. Godber while helping Sir Jeremy Hodge investigate the disappearance of Professor Borender, who has developed a means of making rocket fuel out of water.

After Thunderbird 2 is heavily damaged in a mistaken attack, it leaves the team seemingly without a swift means to transport TB4 to New York City when a news crew is trapped underneath the collapsed Empire State Building.