Thunderbirds
Brink of Disaster
Lady Penelope and Jeff Tracy get asked to become involved in a scam to finance a new monorail system. Brains checks the system over and has grave concerns about the safety backups. Brains' fears appear to be confirmed when a series of unfortunate circumstances lead to Jeff, Brains and the whole project being involved in a series of life-threatening situations that only International Rescue can resolve.