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"We will destroy key-links in your Frost Line Outer Space Defence System"


Avalanche is the eleventh produced, and the fifth broadcast, episode of the British television series Captain Scarlet and the Mysterons.

Plot

When the Mysterons target an outer-space missile complex, it's up to Captain Scarlet and Lieutenant Green to keep it safe...

Synopsis

The Frost Line Outer Space Defence System is a network of missile complexes stretching 3,000 miles across North America, dedicated to protecting Earth against extraterrestrial threats.

When the Mysterons announce their intention to destroy key Frost Line bases, they kill Eddie - a maintenance engineer - by causing his truck to crash, and then reconstruct him. First targeting the Red Deer and Cariboo Bases, the Mysteron agent gets past both stations' security and places devices inside their ventilation systems, rendering the air unbreathable - killing 250 men at Red Deer, and another 70 at Cariboo...

On Cloudbase, Colonel White orders Captain Scarlet and Lieutenant Green to investigate Red Deer and find out the Mysterons' exact method of attack. General Ward, the belligerent Frost Line commander, states that he'll launch missiles against Mars if more bases are knocked out - and White fears the Mysterons' response, should Ward make good on that threat...

At Red Deer, Scarlet and Green eventually discover that the personnel suffocated not due to poisonous gas, but because all the oxygen in the air has been removed. Having requisitioned an SPV from a nearby hunter's lodge, the two officers rush to the next base, Big Bear - only to discover that the Mysteronised Eddie has already passed through, and is now headed towards the Frost Line Command Centre...

After knocking out the sentry - who's under orders from Ward to prevent Spectrum from entering the base - Green extracts Eddie's oxygen-depletion device from the ventilation system, before it can affect the air. Meanwhile, Scarlet chases Eddie in the SPV. The truck is carrying a large payload of liquid oxygen, some of which Eddie empties onto the path of the oncoming SPV to force Scarlet off the road...

Realising that Eddie may deliberately crash the truck into his target to ignite the combustible substance and obliterate the Command Centre, Scarlet fires several shots from his gun into the snow-lined slope on one side of the track, opposite a sheer drop. This causes an avalanche, which throws the truck over the edge, crashing down the rock face where it finally explodes, killing Eddie and saving the Command Centre.

Cast

Regular Cast

Guest Cast

Notes

Captain Scarlet and the Mysterons
CaptainScarlet Logo

Characters:
Spectrum: Captain Scarlet | Captain Blue | Colonel White | Lieutenant Green | Destiny Angel | Captain Black | Symphony Angel | Captain Brown | Rhapsody Angel | Captain Grey | Melody Angel | Captain Ochre | Harmony Angel | Captain Magenta | Doctor Fawn | Captain Indigo | Spectrum Guards
Others: The Mysterons | World President Younger | Lieutenant Dean | Navigator Conway | Director-General Xian Yoh | Delta Garage Attendant | DT19 Pilot | DT19 Co-Pilot | Airport Chief | Airport Operator | Director-General Impersonator | Spectrum Agent 042 | Assassin | Macey | 1st London Police Officer | 2nd London Police Officer | 3rd London Police Officer | 4th London Police Officer | 5th London Police Officer | 6th London Police Officer | Woman Driver | Harris (Manhunt) | Security Chief Richards | Geiger Operator | Delta Garage Mechanic | Culver Guard 1 | Culver Guard 2 | General Ward | Eddie | Sergeant Marshall | Lieutenant Burroughs | Trapper | Red Deer Sentry Joe | Cariboo Sentry | Big Bear Sentry | Dead Body | Bob Lynn | TVR-17 Controller | Helijet Pilot | USS Panther II Captain | Lieutenant Belmont | Soames | Davidson | Clark | Commodore Goddard | Captain Holt | Morton | Distillery Attendant | Dr. Theodore Magnus | General Tiempo | Dr. Turner | 1st Medical Student | 2nd Medical Student | Porter Benson | Radiographer | Nurse (Operation Time) | Morgan | Doctor (Operation Time) | General Peterson | Doctor Giadello | 1st Warden (Post 14) | 2nd Warden (Post 28) | Mason | Steele | Kramer | Dice Club Croupier | Barman | Nuclear City Security Chief | Attendant Delta garage | Kruger | Doig | Carl | Fire Warden | Lunar Controller | Orson | S.I.D | Shuttle Pilot | Supreme Commander of Earth Forces | Colonel Storm | Major Brooks | General Cope | Captain Hassel | Pete | MCA Tanker Driver's Mate | Arab | Andre Verdain | Helga | Gabrielle | Casino commissionaire | Model | Fairfield | Jackson | Fire Chief | Major Stone | Joe Johnson | Phil Machin | Major Reeves | Linda Nolan | Frazer | Shroeder | Doctor Breck | Doctor Carter | Doctor Angelini | Doctor Kurnitz | Doctor Kurnitz' Secretary | Kinley | Charlie Hansen | Jason Smith | Major Gravener | Doctor Baxter | Doctor Mitchell | Nurse (Treble Cross) | Harris (Treble Cross) | Doctor Ernst Conrad | Bill Williams | Newspaper Reporter | Joe (Flight 104) | Doctor Denton | Judith Chapman | Airport Mechanic | General Rebus | Neilson | Rhoades | Captain (Expo 2068) | Doctor Sommers | Driver (Expo 2068) | Seneca Pilot | Lumberjack (Expo 2068) | Raynor | Mervin Brand | President Roberts | Vice President | Vice-president's Wife | Professor Gabriel Carney | President Conrad Olafson | President John L. Henderson | SKR4 Captain | SKR4 Navigator | Major Moran | Sergeant (Inferno) | Commander Williams | Maxwell Airbase Sergeant | Colgan | Mysteron Agent (The Inquisition)

TV Series Episodes:
The Mysterons | Winged Assassin | Big Ben Strikes Again | Manhunt | Avalanche | White as Snow | The Trap | Operation Time | Spectrum Strikes Back | Special Assignment | The Heart Of New York | Lunarville 7 | Point 783 | Model Spy | Seek and Destroy | Traitor | Renegade Rocket | Crater 101 | Shadow Of Fear | Dangerous Rendezvous | Fire at Rig 15 | Treble Cross | Flight 104 | Place of Angels | Noose of Ice | Expo 2068 | The Launching | Codename Europa | Inferno | Flight to Atlantica | Attack on Cloudbase | The Inquisition

Audio Adventures:
Introducing Captain Scarlet | Captain Scarlet and the Mysterons | Captain Scarlet is Indestructible | Captain Scarlet vs. Captain Black

Books:
Young Corgi | The Vault

Locations:
Cloudbase | Maximum Security Building

Vehicles and Craft:
Spectrum Saloon Vehicle | Spectrum Pursuit Vehicle | Maximum Security Vehicle | Angel Interceptor | Spectrum Passenger Jet | Spectrum Helicopter | Spectrum Hovercraft | Spectrum Radar Van | Magnacopter | Zero-X

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