Episodes
| Series | Episode | First Broadcast | Comments |
|---|---|---|---|
| 01 | 01 | 20051114 | Liza Tarbuck as a head louse. |
| 01 | 02 | 20051115 | Tony Robinson as a pin worm. |
| 01 | 03 | 20051116 | The flea, with Jenny Eclair |
| 01 | 04 | 20051117 | Bed bug Alexei Sayle joins you under the covers. |
| 01 | 05 LAST | 20051118 | Honor Blackman is one of the deadliest parasites known to man, Plasmodium, which causes malaria. |