A baby is left on Holmes' and Watson's doorstep. The child turns out to be the son of a missing French scientist. When Watson is later brutally attacked and the baby kidnapped, the detectives must find the baby and its father and avoid an international scandal.
| Name | Type | Role | |
|---|---|---|---|
| Sheldon Reynolds | Writer | ||
| Joseph Victor | Writer | ||
| Roger Tréville | Guest Star | ||
| Yves Brainville | Guest Star | ||
| Dominique Chautemps | Guest Star | ||
| Sheldon Reynolds | Director |