E1 - Atlantic Inferno

Aired: October 02, 1966

World Navy tests of a nuclear torpedo inadvertently threaten the offshore rig Seascape. Jeff, having been invited by Lady Penelope to join her on holiday in Australia, places Scott in charge of International Rescue, with Alan substituting for Scott at the helm of Thunderbird 1. Jeff though is angered when Scott launches a rescue effort to the mid-ocean rig.

E2 - Path of Destruction

Aired: October 09, 1966

A new invention – the Crablogger (a nearly fully automated logging machine that converts wood into fuel) — threatens widespread devastation if it collides with an unfinished dam, after its drivers collapse due to food poisoning.

E3 - Alias Mr. Hackenbacker

Aired: October 16, 1966

The passenger aircraft Skythrust, conceived by Brains using his real name (Hiram Hackenbacker) as an alias, falls into the hands of fashion criminals who hi-jack the plane to steal a new French design from the renowned François Lemaire.

E4 - Lord Parker's 'Oliday

Aired: October 23, 1966

A malfunctioning solar reflector menaces the Italian coastal village of Monte Bianco, where Lady Penelope and Parker happen to be visiting while on holiday.

E5 - Ricochet

Aired: November 06, 1966

A staffed, pirate telecommunications satellite (which broadcasts a music programme of which Tin-Tin is a devoted fan) is disrupted by the detonation of a rogue unmanned space rocket and is set on collision course with a Middle Eastern oil refinery.

E6 - Give or Take a Million

Aired: December 25, 1966

While Christmas preparations are underway at both Tracy Island and a local children's hospital, which is expanding to incorporate a new radiotherapy wing, a pair of criminals attempt to burgle a high-tech vault storing gold bullion.