Everything Goes in Threes

1. The Bent Screw1959-09-12 2. The Lodgers1959-09-19 3. The Kid from Kirkintilloch1959-09-26 4. A Little Bit of Science1959-10-03 5. A Bomb Called Mary1959-10-10 6. The Case of Patrick Mulligan1959-10-17 7. An Hour After Midnight1959-10-24 8. Shaking the Law1959-10-31 9. George Drops the Book1959-11-07 10. Beyond Control1959-11-14 11. A Flask of Black Coffee1959-11-21 12. A Question of Decibels1959-11-28 13. A Toast For Sandy Brownrigg1959-12-05 14. Send for Santa Claus1959-12-12 15. Ma's Seven Bundles1959-12-19 16. A Piece of Pink Ribbon1959-12-26 17. The Knock Man1960-01-02 18. A Very Peculiar Business1960-01-09 19. The Guilty Party1960-01-16 20. When Thieves Fall Out1960-01-23 21. Twinkle, Twinkle Little Star1960-01-30 22. A Lead from Mother Kelly1960-02-06 23. The Slinger and the Slush1960-02-13 24. The Threat1960-02-20 25. Anglo-Saxon Joy1960-02-27 26. No Place for Sentiment1960-03-05 27. The Black and the White1960-03-12 28. The Little School1960-03-19 29. Mr Pettigrew's Bowler1960-03-26 30. Everything Goes in Threes1960-04-02