Metalkind fights Fleshkind for control of Sarah Jane's new friend, Sky. Can Sky stop herself destroying the world?
| Name | Type | Role | |
|---|---|---|---|
| Phil Ford | Writer | ||
| Gavin Brocker | Guest Star | Caleb | |
| Paul Kasey | Guest Star | The Metalkind | |
| Mina Anwar | Guest Star | Gita Chandra | |
| Will McLeod | Guest Star | The Metalkind | |
| Ace Bhatti | Guest Star | Haresh Chandra | |
| Christine Stephen-Daly | Guest Star | Miss Myers | |
| Ashley Way | Director |