An asteroid is on a collision course for Lyca's home planet Flora and if it is not stopped within seven hours, the whole population will die. With the help of junkyard twins Twaddle Duff and Twaddle Dim, a rescue mission gets underway.
| Name | Type | Role | |
|---|---|---|---|
| Chris Trengrove | Writer | ||
| Gerry Anderson | Writer | ||
| Rob Rackstraw | Guest Star | ||
| Chris Taylor | Director | ||
| Chris Trengrove | Director |