Speed Buggy and crew help Professor Rigby, who is being attacked by his former colleague, Professor Rishna, after discovering an invisibility solution. Rishna uses it to kidnap Debbie and Mark while Tinker and Speed Buggy come to their rescue.
| Name | Type | Role | |
|---|---|---|---|
| Jack Kaplan | Writer | ||
| Len Kanson | Writer | ||
| Jack Mendelsohn | Writer |