Commander Corry sends Tonga to investigate reports that a number of travelers have disappeared in the space lanes near Mercury. When Tonga fails to keep a rendezvous with Corry, Happy and Robbie, the men attempt to retrace her steps and are forced to land on a barren asteroid inhabited by a man who claims to know the secrets of eternal youth.
| Name | Type | Role | |
|---|---|---|---|
| Norman Jolley | Writer | ||
| Dik Darley | Director |