Miniaturized clones of the Doctor and Leela are injected into his brain. But they must now fight the virus on its own level. And its servants are closing in around them.
| Name | Type | Role | |
|---|---|---|---|
| Bob Baker, Dave Martin | Writer | ||
| Roderick Smith | Guest Star | ||
| Nell Curran | Guest Star | ||
| Jim McManus | Guest Star | ||
| Derrick Goodwin | Director |