| Series | Episode | Title | On GSD Disk | Script |
| 08 | 01 | Spon | ||
| 08 | 02 | The Junk Affair | ||
| 08 | 03 | The Burning Embassy | ||
| 08 | 04 | The Great Regent's Park Swim | ||
| 08 | 05 | The Treasure in the Tower | ||
| 08 | 06 | The Space Age | ||
| 08 | 07 | Red Fort The | ||
| 08 | 08 | The Missing Battleship | ||
| 08 | 09 | The Policy | ||
| 08 | 10 | King Solomon's Mines | ||
| 08 | 11 | The Stolen Postman | ||
| 08 | 12 | The Great British Revolution | ||
| 08 | 13 | The Plasticine Man | ||
| 08 | 14 | African Incident | ||
| 08 | 15 | The Thing on the Mountain | ||
| 08 | 16 | The String Robberies | ||
| 08 | 17 | The Moriarty Murder Mystery | ||
| 08 | 18 | The Curse of Frankenstein | ||
| 08 | 19 | The White Neddie Trade | ||
| 08 | 20 | Ten Snowballs that Shook the World | ||
| 08 | 21 | The Man Who Never Was | ||
| 08 | 22 | World War One | ||
| 08 | 23 | The Spon Plague | ||
| 08 | 24 | Tiddleywinks | ||
| 08 | 25 | The Evils of Bushey Spon | ||
| 08 | 26 | The Great Statue Debate |