Thunderbirds
Season 1, Episode 22: Brink of Disaster
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An unscrupulous investor attempts to recruit Lady Penelope into funding his automated, cross-country monorail building project. Jeff volunteers to ride the prototype, but he, Brains, and Tin-Tin find themselves trapped onboard, and with no possibility of escape, when it is discovered that the monorail train is speeding towards a stricken bridge.
All Episodes - Season 1
Episode 1
Trapped in the Sky
Episode 2
Pit of Peril
Episode 3
The Perils of Penelope
Episode 4
Terror in New York City
Episode 5
Edge of Impact
Episode 6
Day of Disaster
Episode 7
30 Minutes After Noon
Episode 8
Desperate Intruder
Episode 9
End of the Road
Episode 10
The Uninvited
Episode 11
Sun Probe
Episode 12
Operation Crash-Dive
Episode 13
Vault of Death
Episode 14
The Mighty Atom
Episode 15
City of Fire
Episode 16
The Imposters
Episode 17
The Man from M.I.5
Episode 18
Cry Wolf
Episode 19
Danger at Ocean Deep
Episode 20
Move – And You're Dead
Episode 21
The Duchess Assignment
Episode 22
Brink of Disaster
Episode 23
Attack of the Alligators!
Episode 24
Martian Invasion
Episode 25
The Cham-Cham
Episode 26
Security Hazard