After Martha says goodbye to the Doctor and leaves, he is surprised to find a problem with the TARDIS. Suddenly, a man materializes - the Fifth Doctor. But why's he here, and what's happened to the TARDIS?
| Name | Type | Role | |
|---|---|---|---|
| Steven Moffat | Writer | ||
| Peter Davison | Guest Star | The Fifth Doctor | |
| Graeme Harper | Director |