Junkyard owner Twaddle Duff contacts Captain Thrice to tell him of a customer who is willing to swap information about Lavender Castle for the Paradox's rare MD646 engine. Isambard refuses for his engine to be taken away but soon discovers he has no choice in the matter, as the engine has gone!
| Name | Type | Role | |
|---|---|---|---|
| Pauline Fisk | Writer | ||
| Gerry Anderson | Writer | ||
| Rob Rackstraw | Guest Star | ||
| Chris Taylor | Director | ||
| Gerry Anderson | Director |