Jimmy Gibson and his older brother Bill are flying to America by plane with Mitch the monkey when their plane crashes. The Air Sea Rescue team can find no trace of their life raft through the dense fog, but at Black Rock Laboratory, the newly-completed Supercar is ready to be put to the test and Mike Mercury flies out to rescue the trio.
| Name | Type | Role | |
|---|---|---|---|
| Hugh Woodhouse | Writer | ||
| Martin Woodhouse | Writer | ||
| Gerry Anderson | Director |