2. The Evil Knight

3. An Empty Cage At Wimbledon Stadium

4. The Treasure Of The Catacombs

5. The Secret Of The Templars

6. Project Hippocampus

7. The Octopus Trap

8. The Serval Of The Thames

9. The Invincible Adversary

10. The Diamond Gnome

11. The Attack Of The Giant Ant

12. The Return Of Warragul

13. The Vengeance Of The Werewolf

14. The Forgotten Threat

15. The Secret Horde

16. The Lexington Vampire

17. The Haunted Aviary

18. The Mystery Of Lexington Alley

19. The Elusive Robin Of The Animals

20. The Riddle Maker

21. The Nibbler

22. The Master Of Lightning

23. The Gorgon Of Regent's Park

24. The Phantom Of Linford Street

25. The Spy Of Buckingham

26. The Cause